Home / 768,167.86-1,059,913.39-441,417.76

Finding the Fourth Proportional to 768,167.86, 1,059,913.39 and 441,417.76

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Solution

The fourth proportional to 768,167.86, 1,059,913.39 and 441,417.76 is: 609,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,167.86 : 1,059,913.39 = 441,417.76 : x
  2. Step 2: Convert to fraction form
    768,167.86/1,059,913.39 = 441,417.76/x
  3. Step 3: Cross multiply
    768,167.86x = 1,059,913.39 × 441,417.76
  4. Step 4: Simplify right side
    768,167.86x = 467,864,594,407.81
  5. Step 5: Solve for x
    x = 467,864,594,407.81/768,167.86
  6. Step 6: Final answer
    x = 609,065.57

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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.