Home / 1,153,265.04-1,591,426.44-643,898.16

Finding the Fourth Proportional to 1,153,265.04, 1,591,426.44 and 643,898.16

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Solution

The fourth proportional to 1,153,265.04, 1,591,426.44 and 643,898.16 is: 888,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,265.04 : 1,591,426.44 = 643,898.16 : x
  2. Step 2: Convert to fraction form
    1,153,265.04/1,591,426.44 = 643,898.16/x
  3. Step 3: Cross multiply
    1,153,265.04x = 1,591,426.44 × 643,898.16
  4. Step 4: Simplify right side
    1,153,265.04x = 1,024,716,556,491.35
  5. Step 5: Solve for x
    x = 1,024,716,556,491.35/1,153,265.04
  6. Step 6: Final answer
    x = 888,535.18

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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.