Home / 1,019,615.16-1,529,417.62-261,453.24

Finding the Fourth Proportional to 1,019,615.16, 1,529,417.62 and 261,453.24

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Solution

The fourth proportional to 1,019,615.16, 1,529,417.62 and 261,453.24 is: 392,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,615.16 : 1,529,417.62 = 261,453.24 : x
  2. Step 2: Convert to fraction form
    1,019,615.16/1,529,417.62 = 261,453.24/x
  3. Step 3: Cross multiply
    1,019,615.16x = 1,529,417.62 × 261,453.24
  4. Step 4: Simplify right side
    1,019,615.16x = 399,871,192,062.09
  5. Step 5: Solve for x
    x = 399,871,192,062.09/1,019,615.16
  6. Step 6: Final answer
    x = 392,178.55

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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.