Home / 583,557.13-805,308.06-315,285.13

Finding the Fourth Proportional to 583,557.13, 805,308.06 and 315,285.13

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Solution

The fourth proportional to 583,557.13, 805,308.06 and 315,285.13 is: 435,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,557.13 : 805,308.06 = 315,285.13 : x
  2. Step 2: Convert to fraction form
    583,557.13/805,308.06 = 315,285.13/x
  3. Step 3: Cross multiply
    583,557.13x = 805,308.06 × 315,285.13
  4. Step 4: Simplify right side
    583,557.13x = 253,901,656,387.15
  5. Step 5: Solve for x
    x = 253,901,656,387.15/583,557.13
  6. Step 6: Final answer
    x = 435,093.06

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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.