Home / 1,211,956.11-1,817,931.12-359,094.15

Finding the Fourth Proportional to 1,211,956.11, 1,817,931.12 and 359,094.15

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Solution

The fourth proportional to 1,211,956.11, 1,817,931.12 and 359,094.15 is: 538,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,956.11 : 1,817,931.12 = 359,094.15 : x
  2. Step 2: Convert to fraction form
    1,211,956.11/1,817,931.12 = 359,094.15/x
  3. Step 3: Cross multiply
    1,211,956.11x = 1,817,931.12 × 359,094.15
  4. Step 4: Simplify right side
    1,211,956.11x = 652,808,430,294.95
  5. Step 5: Solve for x
    x = 652,808,430,294.95/1,211,956.11
  6. Step 6: Final answer
    x = 538,640.32

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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.