Home / 1,135,307.34-1,566,644.09-625,998.78

Finding the Fourth Proportional to 1,135,307.34, 1,566,644.09 and 625,998.78

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Solution

The fourth proportional to 1,135,307.34, 1,566,644.09 and 625,998.78 is: 863,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,307.34 : 1,566,644.09 = 625,998.78 : x
  2. Step 2: Convert to fraction form
    1,135,307.34/1,566,644.09 = 625,998.78/x
  3. Step 3: Cross multiply
    1,135,307.34x = 1,566,644.09 × 625,998.78
  4. Step 4: Simplify right side
    1,135,307.34x = 980,717,285,904.22
  5. Step 5: Solve for x
    x = 980,717,285,904.22/1,135,307.34
  6. Step 6: Final answer
    x = 863,834.18

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Double scale
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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.