Home / 689,117.57-951,002.80-417,235.19

Finding the Fourth Proportional to 689,117.57, 951,002.80 and 417,235.19

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Solution

The fourth proportional to 689,117.57, 951,002.80 and 417,235.19 is: 575,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,117.57 : 951,002.80 = 417,235.19 : x
  2. Step 2: Convert to fraction form
    689,117.57/951,002.80 = 417,235.19/x
  3. Step 3: Cross multiply
    689,117.57x = 951,002.80 × 417,235.19
  4. Step 4: Simplify right side
    689,117.57x = 396,791,835,282.95
  5. Step 5: Solve for x
    x = 396,791,835,282.95/689,117.57
  6. Step 6: Final answer
    x = 575,797.01

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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.