Home / 1,838,316.72-2,757,549.24-640,360.20

Finding the Fourth Proportional to 1,838,316.72, 2,757,549.24 and 640,360.20

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Solution

The fourth proportional to 1,838,316.72, 2,757,549.24 and 640,360.20 is: 960,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,316.72 : 2,757,549.24 = 640,360.20 : x
  2. Step 2: Convert to fraction form
    1,838,316.72/2,757,549.24 = 640,360.20/x
  3. Step 3: Cross multiply
    1,838,316.72x = 2,757,549.24 × 640,360.20
  4. Step 4: Simplify right side
    1,838,316.72x = 1,765,824,782,836.25
  5. Step 5: Solve for x
    x = 1,765,824,782,836.25/1,838,316.72
  6. Step 6: Final answer
    x = 960,566.13

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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.