Home / 677,926.16-935,535.52-372,007.66

Finding the Fourth Proportional to 677,926.16, 935,535.52 and 372,007.66

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Solution

The fourth proportional to 677,926.16, 935,535.52 and 372,007.66 is: 513,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,926.16 : 935,535.52 = 372,007.66 : x
  2. Step 2: Convert to fraction form
    677,926.16/935,535.52 = 372,007.66/x
  3. Step 3: Cross multiply
    677,926.16x = 935,535.52 × 372,007.66
  4. Step 4: Simplify right side
    677,926.16x = 348,026,379,642.08
  5. Step 5: Solve for x
    x = 348,026,379,642.08/677,926.16
  6. Step 6: Final answer
    x = 513,369.15

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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.