Home / 1,235,887.40-1,853,831.10-897,339.80

Finding the Fourth Proportional to 1,235,887.40, 1,853,831.10 and 897,339.80

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Solution

The fourth proportional to 1,235,887.40, 1,853,831.10 and 897,339.80 is: 1,346,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,887.40 : 1,853,831.10 = 897,339.80 : x
  2. Step 2: Convert to fraction form
    1,235,887.40/1,853,831.10 = 897,339.80/x
  3. Step 3: Cross multiply
    1,235,887.40x = 1,853,831.10 × 897,339.80
  4. Step 4: Simplify right side
    1,235,887.40x = 1,663,516,428,507.78
  5. Step 5: Solve for x
    x = 1,663,516,428,507.78/1,235,887.40
  6. Step 6: Final answer
    x = 1,346,009.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.