Home / 1,211,045.14-1,815,320.07-537,443.67

Finding the Fourth Proportional to 1,211,045.14, 1,815,320.07 and 537,443.67

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Solution

The fourth proportional to 1,211,045.14, 1,815,320.07 and 537,443.67 is: 805,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,045.14 : 1,815,320.07 = 537,443.67 : x
  2. Step 2: Convert to fraction form
    1,211,045.14/1,815,320.07 = 537,443.67/x
  3. Step 3: Cross multiply
    1,211,045.14x = 1,815,320.07 × 537,443.67
  4. Step 4: Simplify right side
    1,211,045.14x = 975,632,280,645.46
  5. Step 5: Solve for x
    x = 975,632,280,645.46/1,211,045.14
  6. Step 6: Final answer
    x = 805,611.82

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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.