Home / 657,723.24-907,042.08-436,569.40

Finding the Fourth Proportional to 657,723.24, 907,042.08 and 436,569.40

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Solution

The fourth proportional to 657,723.24, 907,042.08 and 436,569.40 is: 602,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,723.24 : 907,042.08 = 436,569.40 : x
  2. Step 2: Convert to fraction form
    657,723.24/907,042.08 = 436,569.40/x
  3. Step 3: Cross multiply
    657,723.24x = 907,042.08 × 436,569.40
  4. Step 4: Simplify right side
    657,723.24x = 395,986,810,625.62
  5. Step 5: Solve for x
    x = 395,986,810,625.62/657,723.24
  6. Step 6: Final answer
    x = 602,056.89

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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.