Home / 838,888.56-1,157,660.28-456,914.16

Finding the Fourth Proportional to 838,888.56, 1,157,660.28 and 456,914.16

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Solution

The fourth proportional to 838,888.56, 1,157,660.28 and 456,914.16 is: 630,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,888.56 : 1,157,660.28 = 456,914.16 : x
  2. Step 2: Convert to fraction form
    838,888.56/1,157,660.28 = 456,914.16/x
  3. Step 3: Cross multiply
    838,888.56x = 1,157,660.28 × 456,914.16
  4. Step 4: Simplify right side
    838,888.56x = 528,951,374,401.57
  5. Step 5: Solve for x
    x = 528,951,374,401.57/838,888.56
  6. Step 6: Final answer
    x = 630,538.31

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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.