Home / 578,501.28-867,746.88-157,776.48

Finding the Fourth Proportional to 578,501.28, 867,746.88 and 157,776.48

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Solution

The fourth proportional to 578,501.28, 867,746.88 and 157,776.48 is: 236,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,501.28 : 867,746.88 = 157,776.48 : x
  2. Step 2: Convert to fraction form
    578,501.28/867,746.88 = 157,776.48/x
  3. Step 3: Cross multiply
    578,501.28x = 867,746.88 × 157,776.48
  4. Step 4: Simplify right side
    578,501.28x = 136,910,048,257.38
  5. Step 5: Solve for x
    x = 136,910,048,257.38/578,501.28
  6. Step 6: Final answer
    x = 236,663.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.