Home / 677,130.62-934,507.08-386,785.57

Finding the Fourth Proportional to 677,130.62, 934,507.08 and 386,785.57

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Solution

The fourth proportional to 677,130.62, 934,507.08 and 386,785.57 is: 533,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,130.62 : 934,507.08 = 386,785.57 : x
  2. Step 2: Convert to fraction form
    677,130.62/934,507.08 = 386,785.57/x
  3. Step 3: Cross multiply
    677,130.62x = 934,507.08 × 386,785.57
  4. Step 4: Simplify right side
    677,130.62x = 361,453,853,606.84
  5. Step 5: Solve for x
    x = 361,453,853,606.84/677,130.62
  6. Step 6: Final answer
    x = 533,802.26

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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.