Home / 808,557.90-1,114,965.72-563,827.20

Finding the Fourth Proportional to 808,557.90, 1,114,965.72 and 563,827.20

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Solution

The fourth proportional to 808,557.90, 1,114,965.72 and 563,827.20 is: 777,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,557.90 : 1,114,965.72 = 563,827.20 : x
  2. Step 2: Convert to fraction form
    808,557.90/1,114,965.72 = 563,827.20/x
  3. Step 3: Cross multiply
    808,557.90x = 1,114,965.72 × 563,827.20
  4. Step 4: Simplify right side
    808,557.90x = 628,648,000,003.58
  5. Step 5: Solve for x
    x = 628,648,000,003.58/808,557.90
  6. Step 6: Final answer
    x = 777,492.87

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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.