Home / 677,950.02-935,568.45-372,031.47

Finding the Fourth Proportional to 677,950.02, 935,568.45 and 372,031.47

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Solution

The fourth proportional to 677,950.02, 935,568.45 and 372,031.47 is: 513,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,950.02 : 935,568.45 = 372,031.47 : x
  2. Step 2: Convert to fraction form
    677,950.02/935,568.45 = 372,031.47/x
  3. Step 3: Cross multiply
    677,950.02x = 935,568.45 × 372,031.47
  4. Step 4: Simplify right side
    677,950.02x = 348,060,905,739.12
  5. Step 5: Solve for x
    x = 348,060,905,739.12/677,950.02
  6. Step 6: Final answer
    x = 513,402.01

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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.