Home / 740,167.09-1,108,569.07-579,240.11

Finding the Fourth Proportional to 740,167.09, 1,108,569.07 and 579,240.11

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Solution

The fourth proportional to 740,167.09, 1,108,569.07 and 579,240.11 is: 867,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,167.09 : 1,108,569.07 = 579,240.11 : x
  2. Step 2: Convert to fraction form
    740,167.09/1,108,569.07 = 579,240.11/x
  3. Step 3: Cross multiply
    740,167.09x = 1,108,569.07 × 579,240.11
  4. Step 4: Simplify right side
    740,167.09x = 642,127,670,049.40
  5. Step 5: Solve for x
    x = 642,127,670,049.40/740,167.09
  6. Step 6: Final answer
    x = 867,544.21

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1.5x scale

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.