Home / 462,913.29-693,655.52-312,564.33

Finding the Fourth Proportional to 462,913.29, 693,655.52 and 312,564.33

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Solution

The fourth proportional to 462,913.29, 693,655.52 and 312,564.33 is: 468,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,913.29 : 693,655.52 = 312,564.33 : x
  2. Step 2: Convert to fraction form
    462,913.29/693,655.52 = 312,564.33/x
  3. Step 3: Cross multiply
    462,913.29x = 693,655.52 × 312,564.33
  4. Step 4: Simplify right side
    462,913.29x = 216,811,971,296.78
  5. Step 5: Solve for x
    x = 216,811,971,296.78/462,913.29
  6. Step 6: Final answer
    x = 468,364.11

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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.