Home / 822,357.54-1,135,043.01-535,377.78

Finding the Fourth Proportional to 822,357.54, 1,135,043.01 and 535,377.78

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Solution

The fourth proportional to 822,357.54, 1,135,043.01 and 535,377.78 is: 738,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,357.54 : 1,135,043.01 = 535,377.78 : x
  2. Step 2: Convert to fraction form
    822,357.54/1,135,043.01 = 535,377.78/x
  3. Step 3: Cross multiply
    822,357.54x = 1,135,043.01 × 535,377.78
  4. Step 4: Simplify right side
    822,357.54x = 607,676,806,898.32
  5. Step 5: Solve for x
    x = 607,676,806,898.32/822,357.54
  6. Step 6: Final answer
    x = 738,944.77

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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.