Home / 1,036,142.90-1,554,265.55-538,478.90

Finding the Fourth Proportional to 1,036,142.90, 1,554,265.55 and 538,478.90

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Solution

The fourth proportional to 1,036,142.90, 1,554,265.55 and 538,478.90 is: 807,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,142.90 : 1,554,265.55 = 538,478.90 : x
  2. Step 2: Convert to fraction form
    1,036,142.90/1,554,265.55 = 538,478.90/x
  3. Step 3: Cross multiply
    1,036,142.90x = 1,554,265.55 × 538,478.90
  4. Step 4: Simplify right side
    1,036,142.90x = 836,939,203,671.90
  5. Step 5: Solve for x
    x = 836,939,203,671.90/1,036,142.90
  6. Step 6: Final answer
    x = 807,744.96

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Double scale
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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.