Home / 657,515.10-986,272.65-500,051.10

Finding the Fourth Proportional to 657,515.10, 986,272.65 and 500,051.10

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Solution

The fourth proportional to 657,515.10, 986,272.65 and 500,051.10 is: 750,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,515.10 : 986,272.65 = 500,051.10 : x
  2. Step 2: Convert to fraction form
    657,515.10/986,272.65 = 500,051.10/x
  3. Step 3: Cross multiply
    657,515.10x = 986,272.65 × 500,051.10
  4. Step 4: Simplify right side
    657,515.10x = 493,186,723,532.42
  5. Step 5: Solve for x
    x = 493,186,723,532.42/657,515.10
  6. Step 6: Final answer
    x = 750,076.65

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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.