Home / 835,407.78-1,152,831.87-453,426.36

Finding the Fourth Proportional to 835,407.78, 1,152,831.87 and 453,426.36

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Solution

The fourth proportional to 835,407.78, 1,152,831.87 and 453,426.36 is: 625,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,407.78 : 1,152,831.87 = 453,426.36 : x
  2. Step 2: Convert to fraction form
    835,407.78/1,152,831.87 = 453,426.36/x
  3. Step 3: Cross multiply
    835,407.78x = 1,152,831.87 × 453,426.36
  4. Step 4: Simplify right side
    835,407.78x = 522,724,358,506.09
  5. Step 5: Solve for x
    x = 522,724,358,506.09/835,407.78
  6. Step 6: Final answer
    x = 625,711.62

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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.