Home / 1,323,806.31-1,985,455.50-514,189.83

Finding the Fourth Proportional to 1,323,806.31, 1,985,455.50 and 514,189.83

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Solution

The fourth proportional to 1,323,806.31, 1,985,455.50 and 514,189.83 is: 771,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,806.31 : 1,985,455.50 = 514,189.83 : x
  2. Step 2: Convert to fraction form
    1,323,806.31/1,985,455.50 = 514,189.83/x
  3. Step 3: Cross multiply
    1,323,806.31x = 1,985,455.50 × 514,189.83
  4. Step 4: Simplify right side
    1,323,806.31x = 1,020,901,026,017.57
  5. Step 5: Solve for x
    x = 1,020,901,026,017.57/1,323,806.31
  6. Step 6: Final answer
    x = 771,186.10

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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.