Home / 1,588,067.67-2,191,547.22-862,915.40

Finding the Fourth Proportional to 1,588,067.67, 2,191,547.22 and 862,915.40

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Solution

The fourth proportional to 1,588,067.67, 2,191,547.22 and 862,915.40 is: 1,190,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,067.67 : 2,191,547.22 = 862,915.40 : x
  2. Step 2: Convert to fraction form
    1,588,067.67/2,191,547.22 = 862,915.40/x
  3. Step 3: Cross multiply
    1,588,067.67x = 2,191,547.22 × 862,915.40
  4. Step 4: Simplify right side
    1,588,067.67x = 1,891,119,832,850.16
  5. Step 5: Solve for x
    x = 1,891,119,832,850.16/1,588,067.67
  6. Step 6: Final answer
    x = 1,190,830.77

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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.