Home / 838,780.32-1,157,549.60-476,237.91

Finding the Fourth Proportional to 838,780.32, 1,157,549.60 and 476,237.91

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Solution

The fourth proportional to 838,780.32, 1,157,549.60 and 476,237.91 is: 657,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,780.32 : 1,157,549.60 = 476,237.91 : x
  2. Step 2: Convert to fraction form
    838,780.32/1,157,549.60 = 476,237.91/x
  3. Step 3: Cross multiply
    838,780.32x = 1,157,549.60 × 476,237.91
  4. Step 4: Simplify right side
    838,780.32x = 551,268,999,844.15
  5. Step 5: Solve for x
    x = 551,268,999,844.15/838,780.32
  6. Step 6: Final answer
    x = 657,226.91

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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.