Home / 692,154.10-1,036,157.55-411,526.90

Finding the Fourth Proportional to 692,154.10, 1,036,157.55 and 411,526.90

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Solution

The fourth proportional to 692,154.10, 1,036,157.55 and 411,526.90 is: 616,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,154.10 : 1,036,157.55 = 411,526.90 : x
  2. Step 2: Convert to fraction form
    692,154.10/1,036,157.55 = 411,526.90/x
  3. Step 3: Cross multiply
    692,154.10x = 1,036,157.55 × 411,526.90
  4. Step 4: Simplify right side
    692,154.10x = 426,406,704,463.10
  5. Step 5: Solve for x
    x = 426,406,704,463.10/692,154.10
  6. Step 6: Final answer
    x = 616,057.47

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Double scale
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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.