Home / 1,207,303.53-1,666,110.11-663,454.41

Finding the Fourth Proportional to 1,207,303.53, 1,666,110.11 and 663,454.41

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Solution

The fourth proportional to 1,207,303.53, 1,666,110.11 and 663,454.41 is: 915,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,303.53 : 1,666,110.11 = 663,454.41 : x
  2. Step 2: Convert to fraction form
    1,207,303.53/1,666,110.11 = 663,454.41/x
  3. Step 3: Cross multiply
    1,207,303.53x = 1,666,110.11 × 663,454.41
  4. Step 4: Simplify right side
    1,207,303.53x = 1,105,388,096,707.81
  5. Step 5: Solve for x
    x = 1,105,388,096,707.81/1,207,303.53
  6. Step 6: Final answer
    x = 915,584.25

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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.