Home / 912,808.04-1,259,565.80-504,854.78

Finding the Fourth Proportional to 912,808.04, 1,259,565.80 and 504,854.78

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Solution

The fourth proportional to 912,808.04, 1,259,565.80 and 504,854.78 is: 696,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,808.04 : 1,259,565.80 = 504,854.78 : x
  2. Step 2: Convert to fraction form
    912,808.04/1,259,565.80 = 504,854.78/x
  3. Step 3: Cross multiply
    912,808.04x = 1,259,565.80 × 504,854.78
  4. Step 4: Simplify right side
    912,808.04x = 635,897,806,032.42
  5. Step 5: Solve for x
    x = 635,897,806,032.42/912,808.04
  6. Step 6: Final answer
    x = 696,639.14

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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.