Home / 583,587.31-805,356.63-328,938.52

Finding the Fourth Proportional to 583,587.31, 805,356.63 and 328,938.52

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Solution

The fourth proportional to 583,587.31, 805,356.63 and 328,938.52 is: 453,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,587.31 : 805,356.63 = 328,938.52 : x
  2. Step 2: Convert to fraction form
    583,587.31/805,356.63 = 328,938.52/x
  3. Step 3: Cross multiply
    583,587.31x = 805,356.63 × 328,938.52
  4. Step 4: Simplify right side
    583,587.31x = 264,912,817,944.39
  5. Step 5: Solve for x
    x = 264,912,817,944.39/583,587.31
  6. Step 6: Final answer
    x = 453,938.62

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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.