Home / 778,314.10-1,169,130.56-732,809.46

Finding the Fourth Proportional to 778,314.10, 1,169,130.56 and 732,809.46

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Solution

The fourth proportional to 778,314.10, 1,169,130.56 and 732,809.46 is: 1,100,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,314.10 : 1,169,130.56 = 732,809.46 : x
  2. Step 2: Convert to fraction form
    778,314.10/1,169,130.56 = 732,809.46/x
  3. Step 3: Cross multiply
    778,314.10x = 1,169,130.56 × 732,809.46
  4. Step 4: Simplify right side
    778,314.10x = 856,749,934,343.10
  5. Step 5: Solve for x
    x = 856,749,934,343.10/778,314.10
  6. Step 6: Final answer
    x = 1,100,776.58

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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.