Home / 839,084.02-1,157,943.90-476,515.42

Finding the Fourth Proportional to 839,084.02, 1,157,943.90 and 476,515.42

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Solution

The fourth proportional to 839,084.02, 1,157,943.90 and 476,515.42 is: 657,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,084.02 : 1,157,943.90 = 476,515.42 : x
  2. Step 2: Convert to fraction form
    839,084.02/1,157,943.90 = 476,515.42/x
  3. Step 3: Cross multiply
    839,084.02x = 1,157,943.90 × 476,515.42
  4. Step 4: Simplify right side
    839,084.02x = 551,778,123,844.94
  5. Step 5: Solve for x
    x = 551,778,123,844.94/839,084.02
  6. Step 6: Final answer
    x = 657,595.80

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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.