Home / 875,560.07-1,312,105.56-413,444.98

Finding the Fourth Proportional to 875,560.07, 1,312,105.56 and 413,444.98

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Solution

The fourth proportional to 875,560.07, 1,312,105.56 and 413,444.98 is: 619,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,560.07 : 1,312,105.56 = 413,444.98 : x
  2. Step 2: Convert to fraction form
    875,560.07/1,312,105.56 = 413,444.98/x
  3. Step 3: Cross multiply
    875,560.07x = 1,312,105.56 × 413,444.98
  4. Step 4: Simplify right side
    875,560.07x = 542,483,456,405.57
  5. Step 5: Solve for x
    x = 542,483,456,405.57/875,560.07
  6. Step 6: Final answer
    x = 619,584.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.