Home / 1,205,240.07-1,808,987.63-637,042.89

Finding the Fourth Proportional to 1,205,240.07, 1,808,987.63 and 637,042.89

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Solution

The fourth proportional to 1,205,240.07, 1,808,987.63 and 637,042.89 is: 956,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,240.07 : 1,808,987.63 = 637,042.89 : x
  2. Step 2: Convert to fraction form
    1,205,240.07/1,808,987.63 = 637,042.89/x
  3. Step 3: Cross multiply
    1,205,240.07x = 1,808,987.63 × 637,042.89
  4. Step 4: Simplify right side
    1,205,240.07x = 1,152,402,704,604.24
  5. Step 5: Solve for x
    x = 1,152,402,704,604.24/1,205,240.07
  6. Step 6: Final answer
    x = 956,160.30

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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.