Home / 676,677.04-933,778.64-386,277.08

Finding the Fourth Proportional to 676,677.04, 933,778.64 and 386,277.08

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Solution

The fourth proportional to 676,677.04, 933,778.64 and 386,277.08 is: 533,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,677.04 : 933,778.64 = 386,277.08 : x
  2. Step 2: Convert to fraction form
    676,677.04/933,778.64 = 386,277.08/x
  3. Step 3: Cross multiply
    676,677.04x = 933,778.64 × 386,277.08
  4. Step 4: Simplify right side
    676,677.04x = 360,697,286,425.57
  5. Step 5: Solve for x
    x = 360,697,286,425.57/676,677.04
  6. Step 6: Final answer
    x = 533,042.01

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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.