Home / 838,886.56-1,157,657.52-456,912.16

Finding the Fourth Proportional to 838,886.56, 1,157,657.52 and 456,912.16

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Solution

The fourth proportional to 838,886.56, 1,157,657.52 and 456,912.16 is: 630,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,886.56 : 1,157,657.52 = 456,912.16 : x
  2. Step 2: Convert to fraction form
    838,886.56/1,157,657.52 = 456,912.16/x
  3. Step 3: Cross multiply
    838,886.56x = 1,157,657.52 × 456,912.16
  4. Step 4: Simplify right side
    838,886.56x = 528,947,798,003.44
  5. Step 5: Solve for x
    x = 528,947,798,003.44/838,886.56
  6. Step 6: Final answer
    x = 630,535.55

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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.