Home / 566,108.19-781,235.48-307,986.59

Finding the Fourth Proportional to 566,108.19, 781,235.48 and 307,986.59

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Solution

The fourth proportional to 566,108.19, 781,235.48 and 307,986.59 is: 425,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,108.19 : 781,235.48 = 307,986.59 : x
  2. Step 2: Convert to fraction form
    566,108.19/781,235.48 = 307,986.59/x
  3. Step 3: Cross multiply
    566,108.19x = 781,235.48 × 307,986.59
  4. Step 4: Simplify right side
    566,108.19x = 240,610,054,195.27
  5. Step 5: Solve for x
    x = 240,610,054,195.27/566,108.19
  6. Step 6: Final answer
    x = 425,024.86

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Double scale
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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.