Home / 755,541.64-1,042,649.94-411,381.64

Finding the Fourth Proportional to 755,541.64, 1,042,649.94 and 411,381.64

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Solution

The fourth proportional to 755,541.64, 1,042,649.94 and 411,381.64 is: 567,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,541.64 : 1,042,649.94 = 411,381.64 : x
  2. Step 2: Convert to fraction form
    755,541.64/1,042,649.94 = 411,381.64/x
  3. Step 3: Cross multiply
    755,541.64x = 1,042,649.94 × 411,381.64
  4. Step 4: Simplify right side
    755,541.64x = 428,927,042,263.10
  5. Step 5: Solve for x
    x = 428,927,042,263.10/755,541.64
  6. Step 6: Final answer
    x = 567,708.01

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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.