Home / 838,807.76-1,157,567.90-456,834.24

Finding the Fourth Proportional to 838,807.76, 1,157,567.90 and 456,834.24

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Solution

The fourth proportional to 838,807.76, 1,157,567.90 and 456,834.24 is: 630,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,807.76 : 1,157,567.90 = 456,834.24 : x
  2. Step 2: Convert to fraction form
    838,807.76/1,157,567.90 = 456,834.24/x
  3. Step 3: Cross multiply
    838,807.76x = 1,157,567.90 × 456,834.24
  4. Step 4: Simplify right side
    838,807.76x = 528,816,649,560.73
  5. Step 5: Solve for x
    x = 528,816,649,560.73/838,807.76
  6. Step 6: Final answer
    x = 630,438.43

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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.