Home / 884,316.20-1,220,204.30-497,077.89

Finding the Fourth Proportional to 884,316.20, 1,220,204.30 and 497,077.89

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Solution

The fourth proportional to 884,316.20, 1,220,204.30 and 497,077.89 is: 685,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,316.20 : 1,220,204.30 = 497,077.89 : x
  2. Step 2: Convert to fraction form
    884,316.20/1,220,204.30 = 497,077.89/x
  3. Step 3: Cross multiply
    884,316.20x = 1,220,204.30 × 497,077.89
  4. Step 4: Simplify right side
    884,316.20x = 606,536,571,751.77
  5. Step 5: Solve for x
    x = 606,536,571,751.77/884,316.20
  6. Step 6: Final answer
    x = 685,882.01

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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.