Home / 838,703.16-1,157,421.42-476,099.64

Finding the Fourth Proportional to 838,703.16, 1,157,421.42 and 476,099.64

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Solution

The fourth proportional to 838,703.16, 1,157,421.42 and 476,099.64 is: 657,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,703.16 : 1,157,421.42 = 476,099.64 : x
  2. Step 2: Convert to fraction form
    838,703.16/1,157,421.42 = 476,099.64/x
  3. Step 3: Cross multiply
    838,703.16x = 1,157,421.42 × 476,099.64
  4. Step 4: Simplify right side
    838,703.16x = 551,047,921,390.29
  5. Step 5: Solve for x
    x = 551,047,921,390.29/838,703.16
  6. Step 6: Final answer
    x = 657,023.78

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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.