Home / 566,889.17-782,307.02-312,240.36

Finding the Fourth Proportional to 566,889.17, 782,307.02 and 312,240.36

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Solution

The fourth proportional to 566,889.17, 782,307.02 and 312,240.36 is: 430,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,889.17 : 782,307.02 = 312,240.36 : x
  2. Step 2: Convert to fraction form
    566,889.17/782,307.02 = 312,240.36/x
  3. Step 3: Cross multiply
    566,889.17x = 782,307.02 × 312,240.36
  4. Step 4: Simplify right side
    566,889.17x = 244,267,825,555.33
  5. Step 5: Solve for x
    x = 244,267,825,555.33/566,889.17
  6. Step 6: Final answer
    x = 430,891.68

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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.