Home / 917,110.04-1,265,616.90-509,206.04

Finding the Fourth Proportional to 917,110.04, 1,265,616.90 and 509,206.04

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Solution

The fourth proportional to 917,110.04, 1,265,616.90 and 509,206.04 is: 702,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,110.04 : 1,265,616.90 = 509,206.04 : x
  2. Step 2: Convert to fraction form
    917,110.04/1,265,616.90 = 509,206.04/x
  3. Step 3: Cross multiply
    917,110.04x = 1,265,616.90 × 509,206.04
  4. Step 4: Simplify right side
    917,110.04x = 644,459,769,806.08
  5. Step 5: Solve for x
    x = 644,459,769,806.08/917,110.04
  6. Step 6: Final answer
    x = 702,707.14

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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.