Home / 610,727.40-916,091.10-459,168.30

Finding the Fourth Proportional to 610,727.40, 916,091.10 and 459,168.30

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Solution

The fourth proportional to 610,727.40, 916,091.10 and 459,168.30 is: 688,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,727.40 : 916,091.10 = 459,168.30 : x
  2. Step 2: Convert to fraction form
    610,727.40/916,091.10 = 459,168.30/x
  3. Step 3: Cross multiply
    610,727.40x = 916,091.10 × 459,168.30
  4. Step 4: Simplify right side
    610,727.40x = 420,639,993,032.13
  5. Step 5: Solve for x
    x = 420,639,993,032.13/610,727.40
  6. Step 6: Final answer
    x = 688,752.45

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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.