Home / 808,117.74-1,115,200.98-445,539.06

Finding the Fourth Proportional to 808,117.74, 1,115,200.98 and 445,539.06

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Solution

The fourth proportional to 808,117.74, 1,115,200.98 and 445,539.06 is: 614,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,117.74 : 1,115,200.98 = 445,539.06 : x
  2. Step 2: Convert to fraction form
    808,117.74/1,115,200.98 = 445,539.06/x
  3. Step 3: Cross multiply
    808,117.74x = 1,115,200.98 × 445,539.06
  4. Step 4: Simplify right side
    808,117.74x = 496,865,596,340.28
  5. Step 5: Solve for x
    x = 496,865,596,340.28/808,117.74
  6. Step 6: Final answer
    x = 614,843.08

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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.