Home / 539,033.47-743,869.70-297,322.57

Finding the Fourth Proportional to 539,033.47, 743,869.70 and 297,322.57

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Solution

The fourth proportional to 539,033.47, 743,869.70 and 297,322.57 is: 410,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,033.47 : 743,869.70 = 297,322.57 : x
  2. Step 2: Convert to fraction form
    539,033.47/743,869.70 = 297,322.57/x
  3. Step 3: Cross multiply
    539,033.47x = 743,869.70 × 297,322.57
  4. Step 4: Simplify right side
    539,033.47x = 221,169,249,462.52
  5. Step 5: Solve for x
    x = 221,169,249,462.52/539,033.47
  6. Step 6: Final answer
    x = 410,307.08

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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.