Home / 984,114.90-1,476,172.35-319,266.90

Finding the Fourth Proportional to 984,114.90, 1,476,172.35 and 319,266.90

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Solution

The fourth proportional to 984,114.90, 1,476,172.35 and 319,266.90 is: 478,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,114.90 : 1,476,172.35 = 319,266.90 : x
  2. Step 2: Convert to fraction form
    984,114.90/1,476,172.35 = 319,266.90/x
  3. Step 3: Cross multiply
    984,114.90x = 1,476,172.35 × 319,266.90
  4. Step 4: Simplify right side
    984,114.90x = 471,292,970,050.22
  5. Step 5: Solve for x
    x = 471,292,970,050.22/984,114.90
  6. Step 6: Final answer
    x = 478,900.35

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Half scale
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Double scale
Find fourth proportional to 984,115.90, 1,476,173.85 and 319,267.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.