Home / 897,615.24-1,238,818.56-515,641.08

Finding the Fourth Proportional to 897,615.24, 1,238,818.56 and 515,641.08

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Solution

The fourth proportional to 897,615.24, 1,238,818.56 and 515,641.08 is: 711,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,615.24 : 1,238,818.56 = 515,641.08 : x
  2. Step 2: Convert to fraction form
    897,615.24/1,238,818.56 = 515,641.08/x
  3. Step 3: Cross multiply
    897,615.24x = 1,238,818.56 × 515,641.08
  4. Step 4: Simplify right side
    897,615.24x = 638,785,740,202.45
  5. Step 5: Solve for x
    x = 638,785,740,202.45/897,615.24
  6. Step 6: Final answer
    x = 711,647.61

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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.