Home / 1,106,136.39-1,658,835.53-432,042.85

Finding the Fourth Proportional to 1,106,136.39, 1,658,835.53 and 432,042.85

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Solution

The fourth proportional to 1,106,136.39, 1,658,835.53 and 432,042.85 is: 647,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,136.39 : 1,658,835.53 = 432,042.85 : x
  2. Step 2: Convert to fraction form
    1,106,136.39/1,658,835.53 = 432,042.85/x
  3. Step 3: Cross multiply
    1,106,136.39x = 1,658,835.53 × 432,042.85
  4. Step 4: Simplify right side
    1,106,136.39x = 716,688,030,062.46
  5. Step 5: Solve for x
    x = 716,688,030,062.46/1,106,136.39
  6. Step 6: Final answer
    x = 647,920.13

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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.