Home / 971,694.51-1,340,943.08-536,111.83

Finding the Fourth Proportional to 971,694.51, 1,340,943.08 and 536,111.83

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Solution

The fourth proportional to 971,694.51, 1,340,943.08 and 536,111.83 is: 739,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,694.51 : 1,340,943.08 = 536,111.83 : x
  2. Step 2: Convert to fraction form
    971,694.51/1,340,943.08 = 536,111.83/x
  3. Step 3: Cross multiply
    971,694.51x = 1,340,943.08 × 536,111.83
  4. Step 4: Simplify right side
    971,694.51x = 718,895,445,864.08
  5. Step 5: Solve for x
    x = 718,895,445,864.08/971,694.51
  6. Step 6: Final answer
    x = 739,836.90

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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.