Home / 676,555.61-933,622.36-386,182.15

Finding the Fourth Proportional to 676,555.61, 933,622.36 and 386,182.15

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Solution

The fourth proportional to 676,555.61, 933,622.36 and 386,182.15 is: 532,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,555.61 : 933,622.36 = 386,182.15 : x
  2. Step 2: Convert to fraction form
    676,555.61/933,622.36 = 386,182.15/x
  3. Step 3: Cross multiply
    676,555.61x = 933,622.36 × 386,182.15
  4. Step 4: Simplify right side
    676,555.61x = 360,548,286,973.36
  5. Step 5: Solve for x
    x = 360,548,286,973.36/676,555.61
  6. Step 6: Final answer
    x = 532,917.45

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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.