Home / 774,535.64-1,068,856.63-430,370.21

Finding the Fourth Proportional to 774,535.64, 1,068,856.63 and 430,370.21

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Solution

The fourth proportional to 774,535.64, 1,068,856.63 and 430,370.21 is: 593,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,535.64 : 1,068,856.63 = 430,370.21 : x
  2. Step 2: Convert to fraction form
    774,535.64/1,068,856.63 = 430,370.21/x
  3. Step 3: Cross multiply
    774,535.64x = 1,068,856.63 × 430,370.21
  4. Step 4: Simplify right side
    774,535.64x = 460,004,053,909.21
  5. Step 5: Solve for x
    x = 460,004,053,909.21/774,535.64
  6. Step 6: Final answer
    x = 593,909.48

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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.