Home / 941,569.40-1,412,354.10-543,438.20

Finding the Fourth Proportional to 941,569.40, 1,412,354.10 and 543,438.20

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Solution

The fourth proportional to 941,569.40, 1,412,354.10 and 543,438.20 is: 815,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,569.40 : 1,412,354.10 = 543,438.20 : x
  2. Step 2: Convert to fraction form
    941,569.40/1,412,354.10 = 543,438.20/x
  3. Step 3: Cross multiply
    941,569.40x = 1,412,354.10 × 543,438.20
  4. Step 4: Simplify right side
    941,569.40x = 767,527,169,866.62
  5. Step 5: Solve for x
    x = 767,527,169,866.62/941,569.40
  6. Step 6: Final answer
    x = 815,157.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.