Home / 1,105,666.50-1,525,882.58-664,276.08

Finding the Fourth Proportional to 1,105,666.50, 1,525,882.58 and 664,276.08

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Solution

The fourth proportional to 1,105,666.50, 1,525,882.58 and 664,276.08 is: 916,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,666.50 : 1,525,882.58 = 664,276.08 : x
  2. Step 2: Convert to fraction form
    1,105,666.50/1,525,882.58 = 664,276.08/x
  3. Step 3: Cross multiply
    1,105,666.50x = 1,525,882.58 × 664,276.08
  4. Step 4: Simplify right side
    1,105,666.50x = 1,013,607,303,674.40
  5. Step 5: Solve for x
    x = 1,013,607,303,674.40/1,105,666.50
  6. Step 6: Final answer
    x = 916,738.73

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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.