Home / 1,205,521.46-1,808,351.45-437,186.45

Finding the Fourth Proportional to 1,205,521.46, 1,808,351.45 and 437,186.45

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Solution

The fourth proportional to 1,205,521.46, 1,808,351.45 and 437,186.45 is: 655,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,521.46 : 1,808,351.45 = 437,186.45 : x
  2. Step 2: Convert to fraction form
    1,205,521.46/1,808,351.45 = 437,186.45/x
  3. Step 3: Cross multiply
    1,205,521.46x = 1,808,351.45 × 437,186.45
  4. Step 4: Simplify right side
    1,205,521.46x = 790,586,742,829.06
  5. Step 5: Solve for x
    x = 790,586,742,829.06/1,205,521.46
  6. Step 6: Final answer
    x = 655,804.78

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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.