Home / 838,521.18-1,157,180.04-456,568.92

Finding the Fourth Proportional to 838,521.18, 1,157,180.04 and 456,568.92

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Solution

The fourth proportional to 838,521.18, 1,157,180.04 and 456,568.92 is: 630,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,521.18 : 1,157,180.04 = 456,568.92 : x
  2. Step 2: Convert to fraction form
    838,521.18/1,157,180.04 = 456,568.92/x
  3. Step 3: Cross multiply
    838,521.18x = 1,157,180.04 × 456,568.92
  4. Step 4: Simplify right side
    838,521.18x = 528,332,441,108.36
  5. Step 5: Solve for x
    x = 528,332,441,108.36/838,521.18
  6. Step 6: Final answer
    x = 630,076.44

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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.