Home / 876,646.10-1,314,969.15-811,036.10

Finding the Fourth Proportional to 876,646.10, 1,314,969.15 and 811,036.10

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Solution

The fourth proportional to 876,646.10, 1,314,969.15 and 811,036.10 is: 1,216,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,646.10 : 1,314,969.15 = 811,036.10 : x
  2. Step 2: Convert to fraction form
    876,646.10/1,314,969.15 = 811,036.10/x
  3. Step 3: Cross multiply
    876,646.10x = 1,314,969.15 × 811,036.10
  4. Step 4: Simplify right side
    876,646.10x = 1,066,487,451,036.32
  5. Step 5: Solve for x
    x = 1,066,487,451,036.32/876,646.10
  6. Step 6: Final answer
    x = 1,216,554.15

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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.