Home / 583,837.56-805,695.84-315,565.56

Finding the Fourth Proportional to 583,837.56, 805,695.84 and 315,565.56

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Solution

The fourth proportional to 583,837.56, 805,695.84 and 315,565.56 is: 435,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,837.56 : 805,695.84 = 315,565.56 : x
  2. Step 2: Convert to fraction form
    583,837.56/805,695.84 = 315,565.56/x
  3. Step 3: Cross multiply
    583,837.56x = 805,695.84 × 315,565.56
  4. Step 4: Simplify right side
    583,837.56x = 254,249,858,939.27
  5. Step 5: Solve for x
    x = 254,249,858,939.27/583,837.56
  6. Step 6: Final answer
    x = 435,480.48

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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.