Home / 623,324.24-861,639.98-556,008.38

Finding the Fourth Proportional to 623,324.24, 861,639.98 and 556,008.38

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Solution

The fourth proportional to 623,324.24, 861,639.98 and 556,008.38 is: 768,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,324.24 : 861,639.98 = 556,008.38 : x
  2. Step 2: Convert to fraction form
    623,324.24/861,639.98 = 556,008.38/x
  3. Step 3: Cross multiply
    623,324.24x = 861,639.98 × 556,008.38
  4. Step 4: Simplify right side
    623,324.24x = 479,079,042,334.79
  5. Step 5: Solve for x
    x = 479,079,042,334.79/623,324.24
  6. Step 6: Final answer
    x = 768,587.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.