Home / 805,603.45-1,111,710.59-443,027.31

Finding the Fourth Proportional to 805,603.45, 1,111,710.59 and 443,027.31

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Solution

The fourth proportional to 805,603.45, 1,111,710.59 and 443,027.31 is: 611,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,603.45 : 1,111,710.59 = 443,027.31 : x
  2. Step 2: Convert to fraction form
    805,603.45/1,111,710.59 = 443,027.31/x
  3. Step 3: Cross multiply
    805,603.45x = 1,111,710.59 × 443,027.31
  4. Step 4: Simplify right side
    805,603.45x = 492,518,154,022.59
  5. Step 5: Solve for x
    x = 492,518,154,022.59/805,603.45
  6. Step 6: Final answer
    x = 611,365.50

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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.