Home / 838,432.54-1,157,000.61-456,460.66

Finding the Fourth Proportional to 838,432.54, 1,157,000.61 and 456,460.66

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Solution

The fourth proportional to 838,432.54, 1,157,000.61 and 456,460.66 is: 629,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,432.54 : 1,157,000.61 = 456,460.66 : x
  2. Step 2: Convert to fraction form
    838,432.54/1,157,000.61 = 456,460.66/x
  3. Step 3: Cross multiply
    838,432.54x = 1,157,000.61 × 456,460.66
  4. Step 4: Simplify right side
    838,432.54x = 528,125,262,061.00
  5. Step 5: Solve for x
    x = 528,125,262,061.00/838,432.54
  6. Step 6: Final answer
    x = 629,895.95

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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.