Home / 913,924.54-1,261,225.91-506,033.54

Finding the Fourth Proportional to 913,924.54, 1,261,225.91 and 506,033.54

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Solution

The fourth proportional to 913,924.54, 1,261,225.91 and 506,033.54 is: 698,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,924.54 : 1,261,225.91 = 506,033.54 : x
  2. Step 2: Convert to fraction form
    913,924.54/1,261,225.91 = 506,033.54/x
  3. Step 3: Cross multiply
    913,924.54x = 1,261,225.91 × 506,033.54
  4. Step 4: Simplify right side
    913,924.54x = 638,222,611,977.02
  5. Step 5: Solve for x
    x = 638,222,611,977.02/913,924.54
  6. Step 6: Final answer
    x = 698,331.85

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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.