Home / 527,657.40-789,594.18-456,823.68

Finding the Fourth Proportional to 527,657.40, 789,594.18 and 456,823.68

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Solution

The fourth proportional to 527,657.40, 789,594.18 and 456,823.68 is: 683,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,657.40 : 789,594.18 = 456,823.68 : x
  2. Step 2: Convert to fraction form
    527,657.40/789,594.18 = 456,823.68/x
  3. Step 3: Cross multiply
    527,657.40x = 789,594.18 × 456,823.68
  4. Step 4: Simplify right side
    527,657.40x = 360,705,319,014.18
  5. Step 5: Solve for x
    x = 360,705,319,014.18/527,657.40
  6. Step 6: Final answer
    x = 683,597.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.