Home / 1,053,043.37-1,578,296.14-483,638.78

Finding the Fourth Proportional to 1,053,043.37, 1,578,296.14 and 483,638.78

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Solution

The fourth proportional to 1,053,043.37, 1,578,296.14 and 483,638.78 is: 724,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,043.37 : 1,578,296.14 = 483,638.78 : x
  2. Step 2: Convert to fraction form
    1,053,043.37/1,578,296.14 = 483,638.78/x
  3. Step 3: Cross multiply
    1,053,043.37x = 1,578,296.14 × 483,638.78
  4. Step 4: Simplify right side
    1,053,043.37x = 763,325,222,364.95
  5. Step 5: Solve for x
    x = 763,325,222,364.95/1,053,043.37
  6. Step 6: Final answer
    x = 724,875.39

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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.