Home / 1,005,905.80-1,508,858.70-533,513.80

Finding the Fourth Proportional to 1,005,905.80, 1,508,858.70 and 533,513.80

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Solution

The fourth proportional to 1,005,905.80, 1,508,858.70 and 533,513.80 is: 800,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,905.80 : 1,508,858.70 = 533,513.80 : x
  2. Step 2: Convert to fraction form
    1,005,905.80/1,508,858.70 = 533,513.80/x
  3. Step 3: Cross multiply
    1,005,905.80x = 1,508,858.70 × 533,513.80
  4. Step 4: Simplify right side
    1,005,905.80x = 804,996,938,700.06
  5. Step 5: Solve for x
    x = 804,996,938,700.06/1,005,905.80
  6. Step 6: Final answer
    x = 800,270.70

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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.