Home / 822,852.36-1,233,341.64-515,248.11

Finding the Fourth Proportional to 822,852.36, 1,233,341.64 and 515,248.11

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Solution

The fourth proportional to 822,852.36, 1,233,341.64 and 515,248.11 is: 772,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,852.36 : 1,233,341.64 = 515,248.11 : x
  2. Step 2: Convert to fraction form
    822,852.36/1,233,341.64 = 515,248.11/x
  3. Step 3: Cross multiply
    822,852.36x = 1,233,341.64 × 515,248.11
  4. Step 4: Simplify right side
    822,852.36x = 635,476,948,994.30
  5. Step 5: Solve for x
    x = 635,476,948,994.30/822,852.36
  6. Step 6: Final answer
    x = 772,285.50

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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.