Home / 825,482.36-1,138,683.02-519,073.80

Finding the Fourth Proportional to 825,482.36, 1,138,683.02 and 519,073.80

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Solution

The fourth proportional to 825,482.36, 1,138,683.02 and 519,073.80 is: 716,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,482.36 : 1,138,683.02 = 519,073.80 : x
  2. Step 2: Convert to fraction form
    825,482.36/1,138,683.02 = 519,073.80/x
  3. Step 3: Cross multiply
    825,482.36x = 1,138,683.02 × 519,073.80
  4. Step 4: Simplify right side
    825,482.36x = 591,060,522,186.88
  5. Step 5: Solve for x
    x = 591,060,522,186.88/825,482.36
  6. Step 6: Final answer
    x = 716,018.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.