Home / 661,904.16-992,729.25-257,095.92

Finding the Fourth Proportional to 661,904.16, 992,729.25 and 257,095.92

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Solution

The fourth proportional to 661,904.16, 992,729.25 and 257,095.92 is: 385,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,904.16 : 992,729.25 = 257,095.92 : x
  2. Step 2: Convert to fraction form
    661,904.16/992,729.25 = 257,095.92/x
  3. Step 3: Cross multiply
    661,904.16x = 992,729.25 × 257,095.92
  4. Step 4: Simplify right side
    661,904.16x = 255,226,639,839.66
  5. Step 5: Solve for x
    x = 255,226,639,839.66/661,904.16
  6. Step 6: Final answer
    x = 385,594.55

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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.