Home / 912,883.40-1,366,700.70-807,907.40

Finding the Fourth Proportional to 912,883.40, 1,366,700.70 and 807,907.40

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Solution

The fourth proportional to 912,883.40, 1,366,700.70 and 807,907.40 is: 1,209,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,883.40 : 1,366,700.70 = 807,907.40 : x
  2. Step 2: Convert to fraction form
    912,883.40/1,366,700.70 = 807,907.40/x
  3. Step 3: Cross multiply
    912,883.40x = 1,366,700.70 × 807,907.40
  4. Step 4: Simplify right side
    912,883.40x = 1,104,167,609,115.18
  5. Step 5: Solve for x
    x = 1,104,167,609,115.18/912,883.40
  6. Step 6: Final answer
    x = 1,209,538.49

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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.