Home / 583,444.59-805,152.33-315,172.59

Finding the Fourth Proportional to 583,444.59, 805,152.33 and 315,172.59

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Solution

The fourth proportional to 583,444.59, 805,152.33 and 315,172.59 is: 434,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,444.59 : 805,152.33 = 315,172.59 : x
  2. Step 2: Convert to fraction form
    583,444.59/805,152.33 = 315,172.59/x
  3. Step 3: Cross multiply
    583,444.59x = 805,152.33 × 315,172.59
  4. Step 4: Simplify right side
    583,444.59x = 253,761,945,190.64
  5. Step 5: Solve for x
    x = 253,761,945,190.64/583,444.59
  6. Step 6: Final answer
    x = 434,937.52

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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.