Home / 657,038.16-906,743.52-370,552.32

Finding the Fourth Proportional to 657,038.16, 906,743.52 and 370,552.32

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Solution

The fourth proportional to 657,038.16, 906,743.52 and 370,552.32 is: 511,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,038.16 : 906,743.52 = 370,552.32 : x
  2. Step 2: Convert to fraction form
    657,038.16/906,743.52 = 370,552.32/x
  3. Step 3: Cross multiply
    657,038.16x = 906,743.52 × 370,552.32
  4. Step 4: Simplify right side
    657,038.16x = 335,995,914,980.97
  5. Step 5: Solve for x
    x = 335,995,914,980.97/657,038.16
  6. Step 6: Final answer
    x = 511,379.61

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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.