Home / 917,214.43-1,263,673.10-709,769.43

Finding the Fourth Proportional to 917,214.43, 1,263,673.10 and 709,769.43

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Solution

The fourth proportional to 917,214.43, 1,263,673.10 and 709,769.43 is: 977,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,214.43 : 1,263,673.10 = 709,769.43 : x
  2. Step 2: Convert to fraction form
    917,214.43/1,263,673.10 = 709,769.43/x
  3. Step 3: Cross multiply
    917,214.43x = 1,263,673.10 × 709,769.43
  4. Step 4: Simplify right side
    917,214.43x = 896,916,534,113.68
  5. Step 5: Solve for x
    x = 896,916,534,113.68/917,214.43
  6. Step 6: Final answer
    x = 977,870.07

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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.