Home / 993,400.32-1,371,081.40-563,720.44

Finding the Fourth Proportional to 993,400.32, 1,371,081.40 and 563,720.44

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Solution

The fourth proportional to 993,400.32, 1,371,081.40 and 563,720.44 is: 778,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,400.32 : 1,371,081.40 = 563,720.44 : x
  2. Step 2: Convert to fraction form
    993,400.32/1,371,081.40 = 563,720.44/x
  3. Step 3: Cross multiply
    993,400.32x = 1,371,081.40 × 563,720.44
  4. Step 4: Simplify right side
    993,400.32x = 772,906,610,083.82
  5. Step 5: Solve for x
    x = 772,906,610,083.82/993,400.32
  6. Step 6: Final answer
    x = 778,041.43

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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.