Home / 1,125,650.61-1,688,497.52-415,313.01

Finding the Fourth Proportional to 1,125,650.61, 1,688,497.52 and 415,313.01

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Solution

The fourth proportional to 1,125,650.61, 1,688,497.52 and 415,313.01 is: 622,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,650.61 : 1,688,497.52 = 415,313.01 : x
  2. Step 2: Convert to fraction form
    1,125,650.61/1,688,497.52 = 415,313.01/x
  3. Step 3: Cross multiply
    1,125,650.61x = 1,688,497.52 × 415,313.01
  4. Step 4: Simplify right side
    1,125,650.61x = 701,254,985,332.17
  5. Step 5: Solve for x
    x = 701,254,985,332.17/1,125,650.61
  6. Step 6: Final answer
    x = 622,977.48

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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.