Home / 877,546.80-1,316,320.20-769,071.60

Finding the Fourth Proportional to 877,546.80, 1,316,320.20 and 769,071.60

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Solution

The fourth proportional to 877,546.80, 1,316,320.20 and 769,071.60 is: 1,153,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,546.80 : 1,316,320.20 = 769,071.60 : x
  2. Step 2: Convert to fraction form
    877,546.80/1,316,320.20 = 769,071.60/x
  3. Step 3: Cross multiply
    877,546.80x = 1,316,320.20 × 769,071.60
  4. Step 4: Simplify right side
    877,546.80x = 1,012,344,482,326.32
  5. Step 5: Solve for x
    x = 1,012,344,482,326.32/877,546.80
  6. Step 6: Final answer
    x = 1,153,607.40

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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.