Home / 1,721,325.40-2,581,988.10-1,245,779.80

Finding the Fourth Proportional to 1,721,325.40, 2,581,988.10 and 1,245,779.80

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Solution

The fourth proportional to 1,721,325.40, 2,581,988.10 and 1,245,779.80 is: 1,868,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,325.40 : 2,581,988.10 = 1,245,779.80 : x
  2. Step 2: Convert to fraction form
    1,721,325.40/2,581,988.10 = 1,245,779.80/x
  3. Step 3: Cross multiply
    1,721,325.40x = 2,581,988.10 × 1,245,779.80
  4. Step 4: Simplify right side
    1,721,325.40x = 3,216,588,618,820.38
  5. Step 5: Solve for x
    x = 3,216,588,618,820.38/1,721,325.40
  6. Step 6: Final answer
    x = 1,868,669.70

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Find fourth proportional to 1,721,326.40, 2,581,989.60 and 1,245,780.80
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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.