Home / 705,030.24-972,839.07-403,165.92

Finding the Fourth Proportional to 705,030.24, 972,839.07 and 403,165.92

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Solution

The fourth proportional to 705,030.24, 972,839.07 and 403,165.92 is: 556,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,030.24 : 972,839.07 = 403,165.92 : x
  2. Step 2: Convert to fraction form
    705,030.24/972,839.07 = 403,165.92/x
  3. Step 3: Cross multiply
    705,030.24x = 972,839.07 × 403,165.92
  4. Step 4: Simplify right side
    705,030.24x = 392,215,558,668.49
  5. Step 5: Solve for x
    x = 392,215,558,668.49/705,030.24
  6. Step 6: Final answer
    x = 556,310.26

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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.