Home / 1,415,440.93-1,953,363.77-803,650.61

Finding the Fourth Proportional to 1,415,440.93, 1,953,363.77 and 803,650.61

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Solution

The fourth proportional to 1,415,440.93, 1,953,363.77 and 803,650.61 is: 1,109,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,440.93 : 1,953,363.77 = 803,650.61 : x
  2. Step 2: Convert to fraction form
    1,415,440.93/1,953,363.77 = 803,650.61/x
  3. Step 3: Cross multiply
    1,415,440.93x = 1,953,363.77 × 803,650.61
  4. Step 4: Simplify right side
    1,415,440.93x = 1,569,821,985,312.40
  5. Step 5: Solve for x
    x = 1,569,821,985,312.40/1,415,440.93
  6. Step 6: Final answer
    x = 1,109,069.23

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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.