Home / 832,112.64-1,249,030.44-512,494.74

Finding the Fourth Proportional to 832,112.64, 1,249,030.44 and 512,494.74

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Solution

The fourth proportional to 832,112.64, 1,249,030.44 and 512,494.74 is: 769,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,112.64 : 1,249,030.44 = 512,494.74 : x
  2. Step 2: Convert to fraction form
    832,112.64/1,249,030.44 = 512,494.74/x
  3. Step 3: Cross multiply
    832,112.64x = 1,249,030.44 × 512,494.74
  4. Step 4: Simplify right side
    832,112.64x = 640,121,530,599.89
  5. Step 5: Solve for x
    x = 640,121,530,599.89/832,112.64
  6. Step 6: Final answer
    x = 769,272.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.