Home / 1,239,720.05-1,710,839.05-695,895.17

Finding the Fourth Proportional to 1,239,720.05, 1,710,839.05 and 695,895.17

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Solution

The fourth proportional to 1,239,720.05, 1,710,839.05 and 695,895.17 is: 960,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,720.05 : 1,710,839.05 = 695,895.17 : x
  2. Step 2: Convert to fraction form
    1,239,720.05/1,710,839.05 = 695,895.17/x
  3. Step 3: Cross multiply
    1,239,720.05x = 1,710,839.05 × 695,895.17
  4. Step 4: Simplify right side
    1,239,720.05x = 1,190,564,621,248.46
  5. Step 5: Solve for x
    x = 1,190,564,621,248.46/1,239,720.05
  6. Step 6: Final answer
    x = 960,349.57

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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.