Home / 827,887.70-1,241,831.55-561,775.70

Finding the Fourth Proportional to 827,887.70, 1,241,831.55 and 561,775.70

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Solution

The fourth proportional to 827,887.70, 1,241,831.55 and 561,775.70 is: 842,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,887.70 : 1,241,831.55 = 561,775.70 : x
  2. Step 2: Convert to fraction form
    827,887.70/1,241,831.55 = 561,775.70/x
  3. Step 3: Cross multiply
    827,887.70x = 1,241,831.55 × 561,775.70
  4. Step 4: Simplify right side
    827,887.70x = 697,630,788,283.34
  5. Step 5: Solve for x
    x = 697,630,788,283.34/827,887.70
  6. Step 6: Final answer
    x = 842,663.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.