Home / 872,027.04-1,203,411.34-479,575.52

Finding the Fourth Proportional to 872,027.04, 1,203,411.34 and 479,575.52

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Solution

The fourth proportional to 872,027.04, 1,203,411.34 and 479,575.52 is: 661,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,027.04 : 1,203,411.34 = 479,575.52 : x
  2. Step 2: Convert to fraction form
    872,027.04/1,203,411.34 = 479,575.52/x
  3. Step 3: Cross multiply
    872,027.04x = 1,203,411.34 × 479,575.52
  4. Step 4: Simplify right side
    872,027.04x = 577,126,619,154.40
  5. Step 5: Solve for x
    x = 577,126,619,154.40/872,027.04
  6. Step 6: Final answer
    x = 661,821.93

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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.