Home / 737,435.28-1,106,152.93-421,670.70

Finding the Fourth Proportional to 737,435.28, 1,106,152.93 and 421,670.70

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Solution

The fourth proportional to 737,435.28, 1,106,152.93 and 421,670.70 is: 632,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,435.28 : 1,106,152.93 = 421,670.70 : x
  2. Step 2: Convert to fraction form
    737,435.28/1,106,152.93 = 421,670.70/x
  3. Step 3: Cross multiply
    737,435.28x = 1,106,152.93 × 421,670.70
  4. Step 4: Simplify right side
    737,435.28x = 466,432,280,300.15
  5. Step 5: Solve for x
    x = 466,432,280,300.15/737,435.28
  6. Step 6: Final answer
    x = 632,506.06

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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.