Home / 757,547.81-1,044,568.29-619,295.23

Finding the Fourth Proportional to 757,547.81, 1,044,568.29 and 619,295.23

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Solution

The fourth proportional to 757,547.81, 1,044,568.29 and 619,295.23 is: 853,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,547.81 : 1,044,568.29 = 619,295.23 : x
  2. Step 2: Convert to fraction form
    757,547.81/1,044,568.29 = 619,295.23/x
  3. Step 3: Cross multiply
    757,547.81x = 1,044,568.29 × 619,295.23
  4. Step 4: Simplify right side
    757,547.81x = 646,896,156,309.78
  5. Step 5: Solve for x
    x = 646,896,156,309.78/757,547.81
  6. Step 6: Final answer
    x = 853,934.43

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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.