Home / 806,723.20-1,210,084.80-541,302.40

Finding the Fourth Proportional to 806,723.20, 1,210,084.80 and 541,302.40

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Solution

The fourth proportional to 806,723.20, 1,210,084.80 and 541,302.40 is: 811,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,723.20 : 1,210,084.80 = 541,302.40 : x
  2. Step 2: Convert to fraction form
    806,723.20/1,210,084.80 = 541,302.40/x
  3. Step 3: Cross multiply
    806,723.20x = 1,210,084.80 × 541,302.40
  4. Step 4: Simplify right side
    806,723.20x = 655,021,806,443.52
  5. Step 5: Solve for x
    x = 655,021,806,443.52/806,723.20
  6. Step 6: Final answer
    x = 811,953.60

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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.