Home / 1,036,140.40-1,554,261.80-538,476.40

Finding the Fourth Proportional to 1,036,140.40, 1,554,261.80 and 538,476.40

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Solution

The fourth proportional to 1,036,140.40, 1,554,261.80 and 538,476.40 is: 807,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,140.40 : 1,554,261.80 = 538,476.40 : x
  2. Step 2: Convert to fraction form
    1,036,140.40/1,554,261.80 = 538,476.40/x
  3. Step 3: Cross multiply
    1,036,140.40x = 1,554,261.80 × 538,476.40
  4. Step 4: Simplify right side
    1,036,140.40x = 836,933,298,721.52
  5. Step 5: Solve for x
    x = 836,933,298,721.52/1,036,140.40
  6. Step 6: Final answer
    x = 807,741.21

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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.