Home / 693,193.20-1,039,789.80-553,225.20

Finding the Fourth Proportional to 693,193.20, 1,039,789.80 and 553,225.20

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Solution

The fourth proportional to 693,193.20, 1,039,789.80 and 553,225.20 is: 829,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,193.20 : 1,039,789.80 = 553,225.20 : x
  2. Step 2: Convert to fraction form
    693,193.20/1,039,789.80 = 553,225.20/x
  3. Step 3: Cross multiply
    693,193.20x = 1,039,789.80 × 553,225.20
  4. Step 4: Simplify right side
    693,193.20x = 575,237,920,062.96
  5. Step 5: Solve for x
    x = 575,237,920,062.96/693,193.20
  6. Step 6: Final answer
    x = 829,837.80

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Double scale
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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.