Home / 583,444.50-805,154.13-315,172.50

Finding the Fourth Proportional to 583,444.50, 805,154.13 and 315,172.50

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Solution

The fourth proportional to 583,444.50, 805,154.13 and 315,172.50 is: 434,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,444.50 : 805,154.13 = 315,172.50 : x
  2. Step 2: Convert to fraction form
    583,444.50/805,154.13 = 315,172.50/x
  3. Step 3: Cross multiply
    583,444.50x = 805,154.13 × 315,172.50
  4. Step 4: Simplify right side
    583,444.50x = 253,762,440,037.43
  5. Step 5: Solve for x
    x = 253,762,440,037.43/583,444.50
  6. Step 6: Final answer
    x = 434,938.44

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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.