Home / 774,594.82-1,068,919.47-430,421.86

Finding the Fourth Proportional to 774,594.82, 1,068,919.47 and 430,421.86

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Solution

The fourth proportional to 774,594.82, 1,068,919.47 and 430,421.86 is: 593,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,594.82 : 1,068,919.47 = 430,421.86 : x
  2. Step 2: Convert to fraction form
    774,594.82/1,068,919.47 = 430,421.86/x
  3. Step 3: Cross multiply
    774,594.82x = 1,068,919.47 × 430,421.86
  4. Step 4: Simplify right side
    774,594.82x = 460,086,306,467.61
  5. Step 5: Solve for x
    x = 460,086,306,467.61/774,594.82
  6. Step 6: Final answer
    x = 593,970.29

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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.