Home / 729,483.32-1,006,683.14-423,634.91

Finding the Fourth Proportional to 729,483.32, 1,006,683.14 and 423,634.91

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Solution

The fourth proportional to 729,483.32, 1,006,683.14 and 423,634.91 is: 584,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,483.32 : 1,006,683.14 = 423,634.91 : x
  2. Step 2: Convert to fraction form
    729,483.32/1,006,683.14 = 423,634.91/x
  3. Step 3: Cross multiply
    729,483.32x = 1,006,683.14 × 423,634.91
  4. Step 4: Simplify right side
    729,483.32x = 426,466,117,438.09
  5. Step 5: Solve for x
    x = 426,466,117,438.09/729,483.32
  6. Step 6: Final answer
    x = 584,613.94

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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.