Home / 691,934.19-954,911.60-386,011.16

Finding the Fourth Proportional to 691,934.19, 954,911.60 and 386,011.16

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Solution

The fourth proportional to 691,934.19, 954,911.60 and 386,011.16 is: 532,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,934.19 : 954,911.60 = 386,011.16 : x
  2. Step 2: Convert to fraction form
    691,934.19/954,911.60 = 386,011.16/x
  3. Step 3: Cross multiply
    691,934.19x = 954,911.60 × 386,011.16
  4. Step 4: Simplify right side
    691,934.19x = 368,606,534,413.46
  5. Step 5: Solve for x
    x = 368,606,534,413.46/691,934.19
  6. Step 6: Final answer
    x = 532,719.06

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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.