Home / 1,213,423.60-1,674,857.64-704,290

Finding the Fourth Proportional to 1,213,423.60, 1,674,857.64 and 704,290

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Solution

The fourth proportional to 1,213,423.60, 1,674,857.64 and 704,290 is: 972,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,423.60 : 1,674,857.64 = 704,290 : x
  2. Step 2: Convert to fraction form
    1,213,423.60/1,674,857.64 = 704,290/x
  3. Step 3: Cross multiply
    1,213,423.60x = 1,674,857.64 × 704,290
  4. Step 4: Simplify right side
    1,213,423.60x = 1,179,585,487,275.60
  5. Step 5: Solve for x
    x = 1,179,585,487,275.60/1,213,423.60
  6. Step 6: Final answer
    x = 972,113.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.