Home / 1,408,925.19-2,111,706.27-769,389.93

Finding the Fourth Proportional to 1,408,925.19, 2,111,706.27 and 769,389.93

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Solution

The fourth proportional to 1,408,925.19, 2,111,706.27 and 769,389.93 is: 1,153,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,925.19 : 2,111,706.27 = 769,389.93 : x
  2. Step 2: Convert to fraction form
    1,408,925.19/2,111,706.27 = 769,389.93/x
  3. Step 3: Cross multiply
    1,408,925.19x = 2,111,706.27 × 769,389.93
  4. Step 4: Simplify right side
    1,408,925.19x = 1,624,725,539,255.86
  5. Step 5: Solve for x
    x = 1,624,725,539,255.86/1,408,925.19
  6. Step 6: Final answer
    x = 1,153,166.65

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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.