Home / 1,023,619.46-1,412,545.55-558,445.64

Finding the Fourth Proportional to 1,023,619.46, 1,412,545.55 and 558,445.64

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Solution

The fourth proportional to 1,023,619.46, 1,412,545.55 and 558,445.64 is: 770,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,619.46 : 1,412,545.55 = 558,445.64 : x
  2. Step 2: Convert to fraction form
    1,023,619.46/1,412,545.55 = 558,445.64/x
  3. Step 3: Cross multiply
    1,023,619.46x = 1,412,545.55 × 558,445.64
  4. Step 4: Simplify right side
    1,023,619.46x = 788,829,903,698.90
  5. Step 5: Solve for x
    x = 788,829,903,698.90/1,023,619.46
  6. Step 6: Final answer
    x = 770,628.08

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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.