Home / 930,077.20-1,283,407.13-522,223.88

Finding the Fourth Proportional to 930,077.20, 1,283,407.13 and 522,223.88

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Solution

The fourth proportional to 930,077.20, 1,283,407.13 and 522,223.88 is: 720,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,077.20 : 1,283,407.13 = 522,223.88 : x
  2. Step 2: Convert to fraction form
    930,077.20/1,283,407.13 = 522,223.88/x
  3. Step 3: Cross multiply
    930,077.20x = 1,283,407.13 × 522,223.88
  4. Step 4: Simplify right side
    930,077.20x = 670,225,845,936.79
  5. Step 5: Solve for x
    x = 670,225,845,936.79/930,077.20
  6. Step 6: Final answer
    x = 720,613.13

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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.