Home / 1,243,856.29-1,865,794.83-345,368.11

Finding the Fourth Proportional to 1,243,856.29, 1,865,794.83 and 345,368.11

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Solution

The fourth proportional to 1,243,856.29, 1,865,794.83 and 345,368.11 is: 518,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,856.29 : 1,865,794.83 = 345,368.11 : x
  2. Step 2: Convert to fraction form
    1,243,856.29/1,865,794.83 = 345,368.11/x
  3. Step 3: Cross multiply
    1,243,856.29x = 1,865,794.83 × 345,368.11
  4. Step 4: Simplify right side
    1,243,856.29x = 644,386,034,084.87
  5. Step 5: Solve for x
    x = 644,386,034,084.87/1,243,856.29
  6. Step 6: Final answer
    x = 518,055.05

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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.