Home / 983,410.30-1,475,115.45-650,986.30

Finding the Fourth Proportional to 983,410.30, 1,475,115.45 and 650,986.30

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Solution

The fourth proportional to 983,410.30, 1,475,115.45 and 650,986.30 is: 976,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,410.30 : 1,475,115.45 = 650,986.30 : x
  2. Step 2: Convert to fraction form
    983,410.30/1,475,115.45 = 650,986.30/x
  3. Step 3: Cross multiply
    983,410.30x = 1,475,115.45 × 650,986.30
  4. Step 4: Simplify right side
    983,410.30x = 960,279,948,868.34
  5. Step 5: Solve for x
    x = 960,279,948,868.34/983,410.30
  6. Step 6: Final answer
    x = 976,479.45

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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.