Home / 623,895.40-936,167.10-291,471.40

Finding the Fourth Proportional to 623,895.40, 936,167.10 and 291,471.40

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Solution

The fourth proportional to 623,895.40, 936,167.10 and 291,471.40 is: 437,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,895.40 : 936,167.10 = 291,471.40 : x
  2. Step 2: Convert to fraction form
    623,895.40/936,167.10 = 291,471.40/x
  3. Step 3: Cross multiply
    623,895.40x = 936,167.10 × 291,471.40
  4. Step 4: Simplify right side
    623,895.40x = 272,865,935,270.94
  5. Step 5: Solve for x
    x = 272,865,935,270.94/623,895.40
  6. Step 6: Final answer
    x = 437,358.47

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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.