Home / 712,790.08-983,642.17-386,096.93

Finding the Fourth Proportional to 712,790.08, 983,642.17 and 386,096.93

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Solution

The fourth proportional to 712,790.08, 983,642.17 and 386,096.93 is: 532,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,790.08 : 983,642.17 = 386,096.93 : x
  2. Step 2: Convert to fraction form
    712,790.08/983,642.17 = 386,096.93/x
  3. Step 3: Cross multiply
    712,790.08x = 983,642.17 × 386,096.93
  4. Step 4: Simplify right side
    712,790.08x = 379,781,221,302.18
  5. Step 5: Solve for x
    x = 379,781,221,302.18/712,790.08
  6. Step 6: Final answer
    x = 532,809.35

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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.