Home / 657,029.16-906,731.10-370,543.32

Finding the Fourth Proportional to 657,029.16, 906,731.10 and 370,543.32

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Solution

The fourth proportional to 657,029.16, 906,731.10 and 370,543.32 is: 511,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,029.16 : 906,731.10 = 370,543.32 : x
  2. Step 2: Convert to fraction form
    657,029.16/906,731.10 = 370,543.32/x
  3. Step 3: Cross multiply
    657,029.16x = 906,731.10 × 370,543.32
  4. Step 4: Simplify right side
    657,029.16x = 335,983,152,141.25
  5. Step 5: Solve for x
    x = 335,983,152,141.25/657,029.16
  6. Step 6: Final answer
    x = 511,367.19

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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.