Home / 816,058.55-1,126,126.70-453,479.16

Finding the Fourth Proportional to 816,058.55, 1,126,126.70 and 453,479.16

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Solution

The fourth proportional to 816,058.55, 1,126,126.70 and 453,479.16 is: 625,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,058.55 : 1,126,126.70 = 453,479.16 : x
  2. Step 2: Convert to fraction form
    816,058.55/1,126,126.70 = 453,479.16/x
  3. Step 3: Cross multiply
    816,058.55x = 1,126,126.70 × 453,479.16
  4. Step 4: Simplify right side
    816,058.55x = 510,674,987,702.18
  5. Step 5: Solve for x
    x = 510,674,987,702.18/816,058.55
  6. Step 6: Final answer
    x = 625,782.29

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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.