Home / 710,218.01-1,065,655.67-310,806.20

Finding the Fourth Proportional to 710,218.01, 1,065,655.67 and 310,806.20

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Solution

The fourth proportional to 710,218.01, 1,065,655.67 and 310,806.20 is: 466,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,218.01 : 1,065,655.67 = 310,806.20 : x
  2. Step 2: Convert to fraction form
    710,218.01/1,065,655.67 = 310,806.20/x
  3. Step 3: Cross multiply
    710,218.01x = 1,065,655.67 × 310,806.20
  4. Step 4: Simplify right side
    710,218.01x = 331,212,382,418.85
  5. Step 5: Solve for x
    x = 331,212,382,418.85/710,218.01
  6. Step 6: Final answer
    x = 466,353.12

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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.