Home / 897,289.33-1,238,450.90-515,526.61

Finding the Fourth Proportional to 897,289.33, 1,238,450.90 and 515,526.61

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Solution

The fourth proportional to 897,289.33, 1,238,450.90 and 515,526.61 is: 711,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,289.33 : 1,238,450.90 = 515,526.61 : x
  2. Step 2: Convert to fraction form
    897,289.33/1,238,450.90 = 515,526.61/x
  3. Step 3: Cross multiply
    897,289.33x = 1,238,450.90 × 515,526.61
  4. Step 4: Simplify right side
    897,289.33x = 638,454,394,128.45
  5. Step 5: Solve for x
    x = 638,454,394,128.45/897,289.33
  6. Step 6: Final answer
    x = 711,536.82

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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.