Home / 930,223.17-1,283,691.65-522,328.23

Finding the Fourth Proportional to 930,223.17, 1,283,691.65 and 522,328.23

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Solution

The fourth proportional to 930,223.17, 1,283,691.65 and 522,328.23 is: 720,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,223.17 : 1,283,691.65 = 522,328.23 : x
  2. Step 2: Convert to fraction form
    930,223.17/1,283,691.65 = 522,328.23/x
  3. Step 3: Cross multiply
    930,223.17x = 1,283,691.65 × 522,328.23
  4. Step 4: Simplify right side
    930,223.17x = 670,508,384,798.64
  5. Step 5: Solve for x
    x = 670,508,384,798.64/930,223.17
  6. Step 6: Final answer
    x = 720,803.79

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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.