Home / 526,323.93-726,331.35-290,585.37

Finding the Fourth Proportional to 526,323.93, 726,331.35 and 290,585.37

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Solution

The fourth proportional to 526,323.93, 726,331.35 and 290,585.37 is: 401,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,323.93 : 726,331.35 = 290,585.37 : x
  2. Step 2: Convert to fraction form
    526,323.93/726,331.35 = 290,585.37/x
  3. Step 3: Cross multiply
    526,323.93x = 726,331.35 × 290,585.37
  4. Step 4: Simplify right side
    526,323.93x = 211,061,264,082.35
  5. Step 5: Solve for x
    x = 211,061,264,082.35/526,323.93
  6. Step 6: Final answer
    x = 401,010.20

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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.