Home / 677,931.33-935,603.34-372,066.84

Finding the Fourth Proportional to 677,931.33, 935,603.34 and 372,066.84

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Solution

The fourth proportional to 677,931.33, 935,603.34 and 372,066.84 is: 513,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,931.33 : 935,603.34 = 372,066.84 : x
  2. Step 2: Convert to fraction form
    677,931.33/935,603.34 = 372,066.84/x
  3. Step 3: Cross multiply
    677,931.33x = 935,603.34 × 372,066.84
  4. Step 4: Simplify right side
    677,931.33x = 348,106,978,207.25
  5. Step 5: Solve for x
    x = 348,106,978,207.25/677,931.33
  6. Step 6: Final answer
    x = 513,484.13

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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.