Home / 932,769.60-1,398,117.60-512,347.20

Finding the Fourth Proportional to 932,769.60, 1,398,117.60 and 512,347.20

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Solution

The fourth proportional to 932,769.60, 1,398,117.60 and 512,347.20 is: 767,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,769.60 : 1,398,117.60 = 512,347.20 : x
  2. Step 2: Convert to fraction form
    932,769.60/1,398,117.60 = 512,347.20/x
  3. Step 3: Cross multiply
    932,769.60x = 1,398,117.60 × 512,347.20
  4. Step 4: Simplify right side
    932,769.60x = 716,321,637,630.72
  5. Step 5: Solve for x
    x = 716,321,637,630.72/932,769.60
  6. Step 6: Final answer
    x = 767,951.31

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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.