Home / 938,831.57-1,295,587.91-509,111.58

Finding the Fourth Proportional to 938,831.57, 1,295,587.91 and 509,111.58

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Solution

The fourth proportional to 938,831.57, 1,295,587.91 and 509,111.58 is: 702,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,831.57 : 1,295,587.91 = 509,111.58 : x
  2. Step 2: Convert to fraction form
    938,831.57/1,295,587.91 = 509,111.58/x
  3. Step 3: Cross multiply
    938,831.57x = 1,295,587.91 × 509,111.58
  4. Step 4: Simplify right side
    938,831.57x = 659,598,805,343.44
  5. Step 5: Solve for x
    x = 659,598,805,343.44/938,831.57
  6. Step 6: Final answer
    x = 702,574.17

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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.