Home / 676,678.04-933,780.02-386,278.08

Finding the Fourth Proportional to 676,678.04, 933,780.02 and 386,278.08

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Solution

The fourth proportional to 676,678.04, 933,780.02 and 386,278.08 is: 533,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,678.04 : 933,780.02 = 386,278.08 : x
  2. Step 2: Convert to fraction form
    676,678.04/933,780.02 = 386,278.08/x
  3. Step 3: Cross multiply
    676,678.04x = 933,780.02 × 386,278.08
  4. Step 4: Simplify right side
    676,678.04x = 360,698,753,267.96
  5. Step 5: Solve for x
    x = 360,698,753,267.96/676,678.04
  6. Step 6: Final answer
    x = 533,043.39

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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.