Home / 750,877.32-1,036,202.40-406,704.72

Finding the Fourth Proportional to 750,877.32, 1,036,202.40 and 406,704.72

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Solution

The fourth proportional to 750,877.32, 1,036,202.40 and 406,704.72 is: 561,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,877.32 : 1,036,202.40 = 406,704.72 : x
  2. Step 2: Convert to fraction form
    750,877.32/1,036,202.40 = 406,704.72/x
  3. Step 3: Cross multiply
    750,877.32x = 1,036,202.40 × 406,704.72
  4. Step 4: Simplify right side
    750,877.32x = 421,428,406,955.33
  5. Step 5: Solve for x
    x = 421,428,406,955.33/750,877.32
  6. Step 6: Final answer
    x = 561,248.02

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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.