Home / 1,455,113.34-2,171,289.87-1,303,812.36

Finding the Fourth Proportional to 1,455,113.34, 2,171,289.87 and 1,303,812.36

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Solution

The fourth proportional to 1,455,113.34, 2,171,289.87 and 1,303,812.36 is: 1,945,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,113.34 : 2,171,289.87 = 1,303,812.36 : x
  2. Step 2: Convert to fraction form
    1,455,113.34/2,171,289.87 = 1,303,812.36/x
  3. Step 3: Cross multiply
    1,455,113.34x = 2,171,289.87 × 1,303,812.36
  4. Step 4: Simplify right side
    1,455,113.34x = 2,830,954,569,648.79
  5. Step 5: Solve for x
    x = 2,830,954,569,648.79/1,455,113.34
  6. Step 6: Final answer
    x = 1,945,521.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.