Home / 1,146,401.40-1,719,602.10-1,128,686.70

Finding the Fourth Proportional to 1,146,401.40, 1,719,602.10 and 1,128,686.70

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Solution

The fourth proportional to 1,146,401.40, 1,719,602.10 and 1,128,686.70 is: 1,693,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,401.40 : 1,719,602.10 = 1,128,686.70 : x
  2. Step 2: Convert to fraction form
    1,146,401.40/1,719,602.10 = 1,128,686.70/x
  3. Step 3: Cross multiply
    1,146,401.40x = 1,719,602.10 × 1,128,686.70
  4. Step 4: Simplify right side
    1,146,401.40x = 1,940,892,019,562.07
  5. Step 5: Solve for x
    x = 1,940,892,019,562.07/1,146,401.40
  6. Step 6: Final answer
    x = 1,693,030.05

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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.