Home / 941,621.49-1,299,382.50-511,897.86

Finding the Fourth Proportional to 941,621.49, 1,299,382.50 and 511,897.86

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Solution

The fourth proportional to 941,621.49, 1,299,382.50 and 511,897.86 is: 706,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,621.49 : 1,299,382.50 = 511,897.86 : x
  2. Step 2: Convert to fraction form
    941,621.49/1,299,382.50 = 511,897.86/x
  3. Step 3: Cross multiply
    941,621.49x = 1,299,382.50 × 511,897.86
  4. Step 4: Simplify right side
    941,621.49x = 665,151,121,071.45
  5. Step 5: Solve for x
    x = 665,151,121,071.45/941,621.49
  6. Step 6: Final answer
    x = 706,389.06

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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.