Home / 1,009,548.80-1,513,995.56-335,449.12

Finding the Fourth Proportional to 1,009,548.80, 1,513,995.56 and 335,449.12

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Solution

The fourth proportional to 1,009,548.80, 1,513,995.56 and 335,449.12 is: 503,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,548.80 : 1,513,995.56 = 335,449.12 : x
  2. Step 2: Convert to fraction form
    1,009,548.80/1,513,995.56 = 335,449.12/x
  3. Step 3: Cross multiply
    1,009,548.80x = 1,513,995.56 × 335,449.12
  4. Step 4: Simplify right side
    1,009,548.80x = 507,868,478,285.91
  5. Step 5: Solve for x
    x = 507,868,478,285.91/1,009,548.80
  6. Step 6: Final answer
    x = 503,064.81

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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.