Home / 970,859.20-1,456,288.80-653,598.40

Finding the Fourth Proportional to 970,859.20, 1,456,288.80 and 653,598.40

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Solution

The fourth proportional to 970,859.20, 1,456,288.80 and 653,598.40 is: 980,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,859.20 : 1,456,288.80 = 653,598.40 : x
  2. Step 2: Convert to fraction form
    970,859.20/1,456,288.80 = 653,598.40/x
  3. Step 3: Cross multiply
    970,859.20x = 1,456,288.80 × 653,598.40
  4. Step 4: Simplify right side
    970,859.20x = 951,828,029,617.92
  5. Step 5: Solve for x
    x = 951,828,029,617.92/970,859.20
  6. Step 6: Final answer
    x = 980,397.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.