Home / 1,779,386.60-2,668,820.70-517,082.60

Finding the Fourth Proportional to 1,779,386.60, 2,668,820.70 and 517,082.60

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Solution

The fourth proportional to 1,779,386.60, 2,668,820.70 and 517,082.60 is: 775,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,386.60 : 2,668,820.70 = 517,082.60 : x
  2. Step 2: Convert to fraction form
    1,779,386.60/2,668,820.70 = 517,082.60/x
  3. Step 3: Cross multiply
    1,779,386.60x = 2,668,820.70 × 517,082.60
  4. Step 4: Simplify right side
    1,779,386.60x = 1,380,000,746,489.82
  5. Step 5: Solve for x
    x = 1,380,000,746,489.82/1,779,386.60
  6. Step 6: Final answer
    x = 775,548.58

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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.