Home / 657,209.34-907,089.39-415,337.58

Finding the Fourth Proportional to 657,209.34, 907,089.39 and 415,337.58

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Solution

The fourth proportional to 657,209.34, 907,089.39 and 415,337.58 is: 573,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,209.34 : 907,089.39 = 415,337.58 : x
  2. Step 2: Convert to fraction form
    657,209.34/907,089.39 = 415,337.58/x
  3. Step 3: Cross multiply
    657,209.34x = 907,089.39 × 415,337.58
  4. Step 4: Simplify right side
    657,209.34x = 376,748,312,086.28
  5. Step 5: Solve for x
    x = 376,748,312,086.28/657,209.34
  6. Step 6: Final answer
    x = 573,254.65

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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.