Home / 677,948.58-935,566.47-372,030.12

Finding the Fourth Proportional to 677,948.58, 935,566.47 and 372,030.12

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Solution

The fourth proportional to 677,948.58, 935,566.47 and 372,030.12 is: 513,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,948.58 : 935,566.47 = 372,030.12 : x
  2. Step 2: Convert to fraction form
    677,948.58/935,566.47 = 372,030.12/x
  3. Step 3: Cross multiply
    677,948.58x = 935,566.47 × 372,030.12
  4. Step 4: Simplify right side
    677,948.58x = 348,058,906,102.08
  5. Step 5: Solve for x
    x = 348,058,906,102.08/677,948.58
  6. Step 6: Final answer
    x = 513,400.16

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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.