Home / 566,891.17-782,309.69-312,242.36

Finding the Fourth Proportional to 566,891.17, 782,309.69 and 312,242.36

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Solution

The fourth proportional to 566,891.17, 782,309.69 and 312,242.36 is: 430,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,891.17 : 782,309.69 = 312,242.36 : x
  2. Step 2: Convert to fraction form
    566,891.17/782,309.69 = 312,242.36/x
  3. Step 3: Cross multiply
    566,891.17x = 782,309.69 × 312,242.36
  4. Step 4: Simplify right side
    566,891.17x = 244,270,225,711.47
  5. Step 5: Solve for x
    x = 244,270,225,711.47/566,891.17
  6. Step 6: Final answer
    x = 430,894.39

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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.