Home / 965,781.58-1,332,775.28-530,188.08

Finding the Fourth Proportional to 965,781.58, 1,332,775.28 and 530,188.08

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Solution

The fourth proportional to 965,781.58, 1,332,775.28 and 530,188.08 is: 731,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,781.58 : 1,332,775.28 = 530,188.08 : x
  2. Step 2: Convert to fraction form
    965,781.58/1,332,775.28 = 530,188.08/x
  3. Step 3: Cross multiply
    965,781.58x = 1,332,775.28 × 530,188.08
  4. Step 4: Simplify right side
    965,781.58x = 706,621,566,774.66
  5. Step 5: Solve for x
    x = 706,621,566,774.66/965,781.58
  6. Step 6: Final answer
    x = 731,657.74

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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.