Home / 384,925.20-577,387.80-104,442.45

Finding the Fourth Proportional to 384,925.20, 577,387.80 and 104,442.45

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Solution

The fourth proportional to 384,925.20, 577,387.80 and 104,442.45 is: 156,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,925.20 : 577,387.80 = 104,442.45 : x
  2. Step 2: Convert to fraction form
    384,925.20/577,387.80 = 104,442.45/x
  3. Step 3: Cross multiply
    384,925.20x = 577,387.80 × 104,442.45
  4. Step 4: Simplify right side
    384,925.20x = 60,303,796,432.11
  5. Step 5: Solve for x
    x = 60,303,796,432.11/384,925.20
  6. Step 6: Final answer
    x = 156,663.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.