Home / 1,421,688.24-2,130,695.28-1,063,895.04

Finding the Fourth Proportional to 1,421,688.24, 2,130,695.28 and 1,063,895.04

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Solution

The fourth proportional to 1,421,688.24, 2,130,695.28 and 1,063,895.04 is: 1,594,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,688.24 : 2,130,695.28 = 1,063,895.04 : x
  2. Step 2: Convert to fraction form
    1,421,688.24/2,130,695.28 = 1,063,895.04/x
  3. Step 3: Cross multiply
    1,421,688.24x = 2,130,695.28 × 1,063,895.04
  4. Step 4: Simplify right side
    1,421,688.24x = 2,266,836,140,143.41
  5. Step 5: Solve for x
    x = 2,266,836,140,143.41/1,421,688.24
  6. Step 6: Final answer
    x = 1,594,467.81

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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.