Home / 932,711.60-1,398,030.60-512,289.20

Finding the Fourth Proportional to 932,711.60, 1,398,030.60 and 512,289.20

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Solution

The fourth proportional to 932,711.60, 1,398,030.60 and 512,289.20 is: 767,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,711.60 : 1,398,030.60 = 512,289.20 : x
  2. Step 2: Convert to fraction form
    932,711.60/1,398,030.60 = 512,289.20/x
  3. Step 3: Cross multiply
    932,711.60x = 1,398,030.60 × 512,289.20
  4. Step 4: Simplify right side
    932,711.60x = 716,195,977,649.52
  5. Step 5: Solve for x
    x = 716,195,977,649.52/932,711.60
  6. Step 6: Final answer
    x = 767,864.34

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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.