Home / 812,764.08-1,122,156.93-506,963.16

Finding the Fourth Proportional to 812,764.08, 1,122,156.93 and 506,963.16

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Solution

The fourth proportional to 812,764.08, 1,122,156.93 and 506,963.16 is: 699,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,764.08 : 1,122,156.93 = 506,963.16 : x
  2. Step 2: Convert to fraction form
    812,764.08/1,122,156.93 = 506,963.16/x
  3. Step 3: Cross multiply
    812,764.08x = 1,122,156.93 × 506,963.16
  4. Step 4: Simplify right side
    812,764.08x = 568,892,223,248.70
  5. Step 5: Solve for x
    x = 568,892,223,248.70/812,764.08
  6. Step 6: Final answer
    x = 699,947.55

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1.5x scale

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.