Home / 566,100.14-781,200.36-307,970.46

Finding the Fourth Proportional to 566,100.14, 781,200.36 and 307,970.46

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Solution

The fourth proportional to 566,100.14, 781,200.36 and 307,970.46 is: 424,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,100.14 : 781,200.36 = 307,970.46 : x
  2. Step 2: Convert to fraction form
    566,100.14/781,200.36 = 307,970.46/x
  3. Step 3: Cross multiply
    566,100.14x = 781,200.36 × 307,970.46
  4. Step 4: Simplify right side
    566,100.14x = 240,586,634,221.37
  5. Step 5: Solve for x
    x = 240,586,634,221.37/566,100.14
  6. Step 6: Final answer
    x = 424,989.54

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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.