Home / 1,116,341.78-1,540,618.90-657,762

Finding the Fourth Proportional to 1,116,341.78, 1,540,618.90 and 657,762

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Solution

The fourth proportional to 1,116,341.78, 1,540,618.90 and 657,762 is: 907,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,341.78 : 1,540,618.90 = 657,762 : x
  2. Step 2: Convert to fraction form
    1,116,341.78/1,540,618.90 = 657,762/x
  3. Step 3: Cross multiply
    1,116,341.78x = 1,540,618.90 × 657,762
  4. Step 4: Simplify right side
    1,116,341.78x = 1,013,360,567,257.40
  5. Step 5: Solve for x
    x = 1,013,360,567,257.40/1,116,341.78
  6. Step 6: Final answer
    x = 907,751.18

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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.