Home / 1,363,689.86-2,045,206.73-417,068.78

Finding the Fourth Proportional to 1,363,689.86, 2,045,206.73 and 417,068.78

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Solution

The fourth proportional to 1,363,689.86, 2,045,206.73 and 417,068.78 is: 625,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,689.86 : 2,045,206.73 = 417,068.78 : x
  2. Step 2: Convert to fraction form
    1,363,689.86/2,045,206.73 = 417,068.78/x
  3. Step 3: Cross multiply
    1,363,689.86x = 2,045,206.73 × 417,068.78
  4. Step 4: Simplify right side
    1,363,689.86x = 852,991,881,884.58
  5. Step 5: Solve for x
    x = 852,991,881,884.58/1,363,689.86
  6. Step 6: Final answer
    x = 625,502.84

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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.