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Finding the Fourth Proportional to 1,249,249.04, 1,723,964.24 and 676,289.21

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Solution

The fourth proportional to 1,249,249.04, 1,723,964.24 and 676,289.21 is: 933,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,249.04 : 1,723,964.24 = 676,289.21 : x
  2. Step 2: Convert to fraction form
    1,249,249.04/1,723,964.24 = 676,289.21/x
  3. Step 3: Cross multiply
    1,249,249.04x = 1,723,964.24 × 676,289.21
  4. Step 4: Simplify right side
    1,249,249.04x = 1,165,898,407,008.75
  5. Step 5: Solve for x
    x = 1,165,898,407,008.75/1,249,249.04
  6. Step 6: Final answer
    x = 933,279.41

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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.