Home / 1,251,684.92-1,877,674-398,457.64

Finding the Fourth Proportional to 1,251,684.92, 1,877,674 and 398,457.64

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Solution

The fourth proportional to 1,251,684.92, 1,877,674 and 398,457.64 is: 597,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,684.92 : 1,877,674 = 398,457.64 : x
  2. Step 2: Convert to fraction form
    1,251,684.92/1,877,674 = 398,457.64/x
  3. Step 3: Cross multiply
    1,251,684.92x = 1,877,674 × 398,457.64
  4. Step 4: Simplify right side
    1,251,684.92x = 748,173,550,729.36
  5. Step 5: Solve for x
    x = 748,173,550,729.36/1,251,684.92
  6. Step 6: Final answer
    x = 597,733.13

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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.