Home / 873,623.27-1,205,400.63-491,510.63

Finding the Fourth Proportional to 873,623.27, 1,205,400.63 and 491,510.63

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Solution

The fourth proportional to 873,623.27, 1,205,400.63 and 491,510.63 is: 678,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,623.27 : 1,205,400.63 = 491,510.63 : x
  2. Step 2: Convert to fraction form
    873,623.27/1,205,400.63 = 491,510.63/x
  3. Step 3: Cross multiply
    873,623.27x = 1,205,400.63 × 491,510.63
  4. Step 4: Simplify right side
    873,623.27x = 592,467,223,053.70
  5. Step 5: Solve for x
    x = 592,467,223,053.70/873,623.27
  6. Step 6: Final answer
    x = 678,172.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.