Home / 984,240.54-1,476,220.59-310,234.20

Finding the Fourth Proportional to 984,240.54, 1,476,220.59 and 310,234.20

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Solution

The fourth proportional to 984,240.54, 1,476,220.59 and 310,234.20 is: 465,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,240.54 : 1,476,220.59 = 310,234.20 : x
  2. Step 2: Convert to fraction form
    984,240.54/1,476,220.59 = 310,234.20/x
  3. Step 3: Cross multiply
    984,240.54x = 1,476,220.59 × 310,234.20
  4. Step 4: Simplify right side
    984,240.54x = 457,974,113,762.18
  5. Step 5: Solve for x
    x = 457,974,113,762.18/984,240.54
  6. Step 6: Final answer
    x = 465,307.10

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Double scale
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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.