Home / 1,354,071.66-1,868,549.46-781,077.66

Finding the Fourth Proportional to 1,354,071.66, 1,868,549.46 and 781,077.66

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Solution

The fourth proportional to 1,354,071.66, 1,868,549.46 and 781,077.66 is: 1,077,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,071.66 : 1,868,549.46 = 781,077.66 : x
  2. Step 2: Convert to fraction form
    1,354,071.66/1,868,549.46 = 781,077.66/x
  3. Step 3: Cross multiply
    1,354,071.66x = 1,868,549.46 × 781,077.66
  4. Step 4: Simplify right side
    1,354,071.66x = 1,459,482,239,811.06
  5. Step 5: Solve for x
    x = 1,459,482,239,811.06/1,354,071.66
  6. Step 6: Final answer
    x = 1,077,847.12

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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.