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Finding the Fourth Proportional to 1,253,891.04, 1,730,412.45 and 702,630

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Solution

The fourth proportional to 1,253,891.04, 1,730,412.45 and 702,630 is: 969,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,891.04 : 1,730,412.45 = 702,630 : x
  2. Step 2: Convert to fraction form
    1,253,891.04/1,730,412.45 = 702,630/x
  3. Step 3: Cross multiply
    1,253,891.04x = 1,730,412.45 × 702,630
  4. Step 4: Simplify right side
    1,253,891.04x = 1,215,839,699,743.50
  5. Step 5: Solve for x
    x = 1,215,839,699,743.50/1,253,891.04
  6. Step 6: Final answer
    x = 969,653.39

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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.