Home / 838,807.20-1,157,567.13-456,833.68

Finding the Fourth Proportional to 838,807.20, 1,157,567.13 and 456,833.68

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Solution

The fourth proportional to 838,807.20, 1,157,567.13 and 456,833.68 is: 630,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,807.20 : 1,157,567.13 = 456,833.68 : x
  2. Step 2: Convert to fraction form
    838,807.20/1,157,567.13 = 456,833.68/x
  3. Step 3: Cross multiply
    838,807.20x = 1,157,567.13 × 456,833.68
  4. Step 4: Simplify right side
    838,807.20x = 528,815,648,951.02
  5. Step 5: Solve for x
    x = 528,815,648,951.02/838,807.20
  6. Step 6: Final answer
    x = 630,437.66

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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.