Home / 1,316,555.10-1,974,832.65-1,164,339.90

Finding the Fourth Proportional to 1,316,555.10, 1,974,832.65 and 1,164,339.90

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Solution

The fourth proportional to 1,316,555.10, 1,974,832.65 and 1,164,339.90 is: 1,746,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,555.10 : 1,974,832.65 = 1,164,339.90 : x
  2. Step 2: Convert to fraction form
    1,316,555.10/1,974,832.65 = 1,164,339.90/x
  3. Step 3: Cross multiply
    1,316,555.10x = 1,974,832.65 × 1,164,339.90
  4. Step 4: Simplify right side
    1,316,555.10x = 2,299,376,450,217.74
  5. Step 5: Solve for x
    x = 2,299,376,450,217.74/1,316,555.10
  6. Step 6: Final answer
    x = 1,746,509.85

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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.