Home / 1,291,212.38-1,937,039.16-532,639.16

Finding the Fourth Proportional to 1,291,212.38, 1,937,039.16 and 532,639.16

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Solution

The fourth proportional to 1,291,212.38, 1,937,039.16 and 532,639.16 is: 799,049.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,212.38 : 1,937,039.16 = 532,639.16 : x
  2. Step 2: Convert to fraction form
    1,291,212.38/1,937,039.16 = 532,639.16/x
  3. Step 3: Cross multiply
    1,291,212.38x = 1,937,039.16 × 532,639.16
  4. Step 4: Simplify right side
    1,291,212.38x = 1,031,742,911,069.51
  5. Step 5: Solve for x
    x = 1,031,742,911,069.51/1,291,212.38
  6. Step 6: Final answer
    x = 799,049.74

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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.