Home / 1,547,221.95-2,320,069.91-636,238.04

Finding the Fourth Proportional to 1,547,221.95, 2,320,069.91 and 636,238.04

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Solution

The fourth proportional to 1,547,221.95, 2,320,069.91 and 636,238.04 is: 954,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,221.95 : 2,320,069.91 = 636,238.04 : x
  2. Step 2: Convert to fraction form
    1,547,221.95/2,320,069.91 = 636,238.04/x
  3. Step 3: Cross multiply
    1,547,221.95x = 2,320,069.91 × 636,238.04
  4. Step 4: Simplify right side
    1,547,221.95x = 1,476,116,717,419.84
  5. Step 5: Solve for x
    x = 1,476,116,717,419.84/1,547,221.95
  6. Step 6: Final answer
    x = 954,043.29

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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.