Home / 714,195.02-985,588.56-391,925.39

Finding the Fourth Proportional to 714,195.02, 985,588.56 and 391,925.39

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Solution

The fourth proportional to 714,195.02, 985,588.56 and 391,925.39 is: 540,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,195.02 : 985,588.56 = 391,925.39 : x
  2. Step 2: Convert to fraction form
    714,195.02/985,588.56 = 391,925.39/x
  3. Step 3: Cross multiply
    714,195.02x = 985,588.56 × 391,925.39
  4. Step 4: Simplify right side
    714,195.02x = 386,277,175,829.60
  5. Step 5: Solve for x
    x = 386,277,175,829.60/714,195.02
  6. Step 6: Final answer
    x = 540,856.72

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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.