Home / 752,080.51-1,037,879.13-407,916.91

Finding the Fourth Proportional to 752,080.51, 1,037,879.13 and 407,916.91

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Solution

The fourth proportional to 752,080.51, 1,037,879.13 and 407,916.91 is: 562,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,080.51 : 1,037,879.13 = 407,916.91 : x
  2. Step 2: Convert to fraction form
    752,080.51/1,037,879.13 = 407,916.91/x
  3. Step 3: Cross multiply
    752,080.51x = 1,037,879.13 × 407,916.91
  4. Step 4: Simplify right side
    752,080.51x = 423,368,447,663.09
  5. Step 5: Solve for x
    x = 423,368,447,663.09/752,080.51
  6. Step 6: Final answer
    x = 562,929.69

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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.