Home / 838,572.20-1,157,250.44-456,619.92

Finding the Fourth Proportional to 838,572.20, 1,157,250.44 and 456,619.92

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Solution

The fourth proportional to 838,572.20, 1,157,250.44 and 456,619.92 is: 630,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,572.20 : 1,157,250.44 = 456,619.92 : x
  2. Step 2: Convert to fraction form
    838,572.20/1,157,250.44 = 456,619.92/x
  3. Step 3: Cross multiply
    838,572.20x = 1,157,250.44 × 456,619.92
  4. Step 4: Simplify right side
    838,572.20x = 528,423,603,332.77
  5. Step 5: Solve for x
    x = 528,423,603,332.77/838,572.20
  6. Step 6: Final answer
    x = 630,146.82

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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.