Home / 1,207,443.16-1,666,311.51-663,598.23

Finding the Fourth Proportional to 1,207,443.16, 1,666,311.51 and 663,598.23

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Solution

The fourth proportional to 1,207,443.16, 1,666,311.51 and 663,598.23 is: 915,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,443.16 : 1,666,311.51 = 663,598.23 : x
  2. Step 2: Convert to fraction form
    1,207,443.16/1,666,311.51 = 663,598.23/x
  3. Step 3: Cross multiply
    1,207,443.16x = 1,666,311.51 × 663,598.23
  4. Step 4: Simplify right side
    1,207,443.16x = 1,105,761,368,664.63
  5. Step 5: Solve for x
    x = 1,105,761,368,664.63/1,207,443.16
  6. Step 6: Final answer
    x = 915,787.51

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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.