Home / 976,681.80-1,463,856.30-503,123.40

Finding the Fourth Proportional to 976,681.80, 1,463,856.30 and 503,123.40

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Solution

The fourth proportional to 976,681.80, 1,463,856.30 and 503,123.40 is: 754,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,681.80 : 1,463,856.30 = 503,123.40 : x
  2. Step 2: Convert to fraction form
    976,681.80/1,463,856.30 = 503,123.40/x
  3. Step 3: Cross multiply
    976,681.80x = 1,463,856.30 × 503,123.40
  4. Step 4: Simplify right side
    976,681.80x = 736,500,358,767.42
  5. Step 5: Solve for x
    x = 736,500,358,767.42/976,681.80
  6. Step 6: Final answer
    x = 754,084.25

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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.