Home / 775,063.87-1,069,586.67-430,931.58

Finding the Fourth Proportional to 775,063.87, 1,069,586.67 and 430,931.58

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Solution

The fourth proportional to 775,063.87, 1,069,586.67 and 430,931.58 is: 594,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,063.87 : 1,069,586.67 = 430,931.58 : x
  2. Step 2: Convert to fraction form
    775,063.87/1,069,586.67 = 430,931.58/x
  3. Step 3: Cross multiply
    775,063.87x = 1,069,586.67 × 430,931.58
  4. Step 4: Simplify right side
    775,063.87x = 460,918,673,650.04
  5. Step 5: Solve for x
    x = 460,918,673,650.04/775,063.87
  6. Step 6: Final answer
    x = 594,684.76

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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.