Home / 993,402.32-1,371,084.16-563,722.44

Finding the Fourth Proportional to 993,402.32, 1,371,084.16 and 563,722.44

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Solution

The fourth proportional to 993,402.32, 1,371,084.16 and 563,722.44 is: 778,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,402.32 : 1,371,084.16 = 563,722.44 : x
  2. Step 2: Convert to fraction form
    993,402.32/1,371,084.16 = 563,722.44/x
  3. Step 3: Cross multiply
    993,402.32x = 1,371,084.16 × 563,722.44
  4. Step 4: Simplify right side
    993,402.32x = 772,910,908,120.55
  5. Step 5: Solve for x
    x = 772,910,908,120.55/993,402.32
  6. Step 6: Final answer
    x = 778,044.19

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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.