Home / 889,341.44-1,227,177.12-507,345.92

Finding the Fourth Proportional to 889,341.44, 1,227,177.12 and 507,345.92

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Solution

The fourth proportional to 889,341.44, 1,227,177.12 and 507,345.92 is: 700,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,341.44 : 1,227,177.12 = 507,345.92 : x
  2. Step 2: Convert to fraction form
    889,341.44/1,227,177.12 = 507,345.92/x
  3. Step 3: Cross multiply
    889,341.44x = 1,227,177.12 × 507,345.92
  4. Step 4: Simplify right side
    889,341.44x = 622,603,304,949.35
  5. Step 5: Solve for x
    x = 622,603,304,949.35/889,341.44
  6. Step 6: Final answer
    x = 700,072.30

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Double scale
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1.5x scale

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.