Home / 1,577,414.60-2,365,538.70-512,491.40

Finding the Fourth Proportional to 1,577,414.60, 2,365,538.70 and 512,491.40

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Solution

The fourth proportional to 1,577,414.60, 2,365,538.70 and 512,491.40 is: 768,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,414.60 : 2,365,538.70 = 512,491.40 : x
  2. Step 2: Convert to fraction form
    1,577,414.60/2,365,538.70 = 512,491.40/x
  3. Step 3: Cross multiply
    1,577,414.60x = 2,365,538.70 × 512,491.40
  4. Step 4: Simplify right side
    1,577,414.60x = 1,212,318,240,117.18
  5. Step 5: Solve for x
    x = 1,212,318,240,117.18/1,577,414.60
  6. Step 6: Final answer
    x = 768,547.62

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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.