Home / 884,353.21-1,220,255.16-497,114.79

Finding the Fourth Proportional to 884,353.21, 1,220,255.16 and 497,114.79

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Solution

The fourth proportional to 884,353.21, 1,220,255.16 and 497,114.79 is: 685,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,353.21 : 1,220,255.16 = 497,114.79 : x
  2. Step 2: Convert to fraction form
    884,353.21/1,220,255.16 = 497,114.79/x
  3. Step 3: Cross multiply
    884,353.21x = 1,220,255.16 × 497,114.79
  4. Step 4: Simplify right side
    884,353.21x = 606,606,890,829.89
  5. Step 5: Solve for x
    x = 606,606,890,829.89/884,353.21
  6. Step 6: Final answer
    x = 685,932.82

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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.