Home / 1,211,387.10-1,671,693.21-702,136.86

Finding the Fourth Proportional to 1,211,387.10, 1,671,693.21 and 702,136.86

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Solution

The fourth proportional to 1,211,387.10, 1,671,693.21 and 702,136.86 is: 968,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,387.10 : 1,671,693.21 = 702,136.86 : x
  2. Step 2: Convert to fraction form
    1,211,387.10/1,671,693.21 = 702,136.86/x
  3. Step 3: Cross multiply
    1,211,387.10x = 1,671,693.21 × 702,136.86
  4. Step 4: Simplify right side
    1,211,387.10x = 1,173,757,421,352.72
  5. Step 5: Solve for x
    x = 1,173,757,421,352.72/1,211,387.10
  6. Step 6: Final answer
    x = 968,936.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.