Home / 775,044.53-1,069,500.88-430,859.51

Finding the Fourth Proportional to 775,044.53, 1,069,500.88 and 430,859.51

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Solution

The fourth proportional to 775,044.53, 1,069,500.88 and 430,859.51 is: 594,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,044.53 : 1,069,500.88 = 430,859.51 : x
  2. Step 2: Convert to fraction form
    775,044.53/1,069,500.88 = 430,859.51/x
  3. Step 3: Cross multiply
    775,044.53x = 1,069,500.88 × 430,859.51
  4. Step 4: Simplify right side
    775,044.53x = 460,804,626,697.97
  5. Step 5: Solve for x
    x = 460,804,626,697.97/775,044.53
  6. Step 6: Final answer
    x = 594,552.46

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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.