Home / 943,105.92-1,301,486.31-513,389.31

Finding the Fourth Proportional to 943,105.92, 1,301,486.31 and 513,389.31

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Solution

The fourth proportional to 943,105.92, 1,301,486.31 and 513,389.31 is: 708,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,105.92 : 1,301,486.31 = 513,389.31 : x
  2. Step 2: Convert to fraction form
    943,105.92/1,301,486.31 = 513,389.31/x
  3. Step 3: Cross multiply
    943,105.92x = 1,301,486.31 × 513,389.31
  4. Step 4: Simplify right side
    943,105.92x = 668,169,158,665.35
  5. Step 5: Solve for x
    x = 668,169,158,665.35/943,105.92
  6. Step 6: Final answer
    x = 708,477.32

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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.