Home / 838,752.50-1,157,490.81-456,778.37

Finding the Fourth Proportional to 838,752.50, 1,157,490.81 and 456,778.37

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Solution

The fourth proportional to 838,752.50, 1,157,490.81 and 456,778.37 is: 630,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,752.50 : 1,157,490.81 = 456,778.37 : x
  2. Step 2: Convert to fraction form
    838,752.50/1,157,490.81 = 456,778.37/x
  3. Step 3: Cross multiply
    838,752.50x = 1,157,490.81 × 456,778.37
  4. Step 4: Simplify right side
    838,752.50x = 528,716,759,694.33
  5. Step 5: Solve for x
    x = 528,716,759,694.33/838,752.50
  6. Step 6: Final answer
    x = 630,360.88

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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.