Home / 876,690.60-1,314,938.70-718,643.40

Finding the Fourth Proportional to 876,690.60, 1,314,938.70 and 718,643.40

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Solution

The fourth proportional to 876,690.60, 1,314,938.70 and 718,643.40 is: 1,077,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,690.60 : 1,314,938.70 = 718,643.40 : x
  2. Step 2: Convert to fraction form
    876,690.60/1,314,938.70 = 718,643.40/x
  3. Step 3: Cross multiply
    876,690.60x = 1,314,938.70 × 718,643.40
  4. Step 4: Simplify right side
    876,690.60x = 944,972,018,159.58
  5. Step 5: Solve for x
    x = 944,972,018,159.58/876,690.60
  6. Step 6: Final answer
    x = 1,077,885.42

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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.