Home / 993,066.78-1,370,458.80-563,411.46

Finding the Fourth Proportional to 993,066.78, 1,370,458.80 and 563,411.46

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Solution

The fourth proportional to 993,066.78, 1,370,458.80 and 563,411.46 is: 777,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,066.78 : 1,370,458.80 = 563,411.46 : x
  2. Step 2: Convert to fraction form
    993,066.78/1,370,458.80 = 563,411.46/x
  3. Step 3: Cross multiply
    993,066.78x = 1,370,458.80 × 563,411.46
  4. Step 4: Simplify right side
    993,066.78x = 772,132,193,377.85
  5. Step 5: Solve for x
    x = 772,132,193,377.85/993,066.78
  6. Step 6: Final answer
    x = 777,522.93

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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.