Home / 1,779,471.76-2,668,655.60-642,085.96

Finding the Fourth Proportional to 1,779,471.76, 2,668,655.60 and 642,085.96

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Solution

The fourth proportional to 1,779,471.76, 2,668,655.60 and 642,085.96 is: 962,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,471.76 : 2,668,655.60 = 642,085.96 : x
  2. Step 2: Convert to fraction form
    1,779,471.76/2,668,655.60 = 642,085.96/x
  3. Step 3: Cross multiply
    1,779,471.76x = 2,668,655.60 × 642,085.96
  4. Step 4: Simplify right side
    1,779,471.76x = 1,713,506,292,835.38
  5. Step 5: Solve for x
    x = 1,713,506,292,835.38/1,779,471.76
  6. Step 6: Final answer
    x = 962,929.75

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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.