Home / 1,049,368.60-1,571,720.10-811,941.40

Finding the Fourth Proportional to 1,049,368.60, 1,571,720.10 and 811,941.40

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Solution

The fourth proportional to 1,049,368.60, 1,571,720.10 and 811,941.40 is: 1,216,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,368.60 : 1,571,720.10 = 811,941.40 : x
  2. Step 2: Convert to fraction form
    1,049,368.60/1,571,720.10 = 811,941.40/x
  3. Step 3: Cross multiply
    1,049,368.60x = 1,571,720.10 × 811,941.40
  4. Step 4: Simplify right side
    1,049,368.60x = 1,276,144,618,402.14
  5. Step 5: Solve for x
    x = 1,276,144,618,402.14/1,049,368.60
  6. Step 6: Final answer
    x = 1,216,107.11

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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.