Home / 654,001.40-902,768.55-382,157.64

Finding the Fourth Proportional to 654,001.40, 902,768.55 and 382,157.64

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Solution

The fourth proportional to 654,001.40, 902,768.55 and 382,157.64 is: 527,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,001.40 : 902,768.55 = 382,157.64 : x
  2. Step 2: Convert to fraction form
    654,001.40/902,768.55 = 382,157.64/x
  3. Step 3: Cross multiply
    654,001.40x = 902,768.55 × 382,157.64
  4. Step 4: Simplify right side
    654,001.40x = 344,999,898,534.22
  5. Step 5: Solve for x
    x = 344,999,898,534.22/654,001.40
  6. Step 6: Final answer
    x = 527,521.65

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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.