Home / 838,740.87-1,157,421.29-476,116.25

Finding the Fourth Proportional to 838,740.87, 1,157,421.29 and 476,116.25

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Solution

The fourth proportional to 838,740.87, 1,157,421.29 and 476,116.25 is: 657,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,740.87 : 1,157,421.29 = 476,116.25 : x
  2. Step 2: Convert to fraction form
    838,740.87/1,157,421.29 = 476,116.25/x
  3. Step 3: Cross multiply
    838,740.87x = 1,157,421.29 × 476,116.25
  4. Step 4: Simplify right side
    838,740.87x = 551,067,076,097.28
  5. Step 5: Solve for x
    x = 551,067,076,097.28/838,740.87
  6. Step 6: Final answer
    x = 657,017.08

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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.