Home / 923,430.30-1,385,145.45-524,849.55

Finding the Fourth Proportional to 923,430.30, 1,385,145.45 and 524,849.55

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Solution

The fourth proportional to 923,430.30, 1,385,145.45 and 524,849.55 is: 787,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,430.30 : 1,385,145.45 = 524,849.55 : x
  2. Step 2: Convert to fraction form
    923,430.30/1,385,145.45 = 524,849.55/x
  3. Step 3: Cross multiply
    923,430.30x = 1,385,145.45 × 524,849.55
  4. Step 4: Simplify right side
    923,430.30x = 726,992,966,117.05
  5. Step 5: Solve for x
    x = 726,992,966,117.05/923,430.30
  6. Step 6: Final answer
    x = 787,274.33

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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.