Home / 742,827.93-1,114,621.89-353,774.81

Finding the Fourth Proportional to 742,827.93, 1,114,621.89 and 353,774.81

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Solution

The fourth proportional to 742,827.93, 1,114,621.89 and 353,774.81 is: 530,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,827.93 : 1,114,621.89 = 353,774.81 : x
  2. Step 2: Convert to fraction form
    742,827.93/1,114,621.89 = 353,774.81/x
  3. Step 3: Cross multiply
    742,827.93x = 1,114,621.89 × 353,774.81
  4. Step 4: Simplify right side
    742,827.93x = 394,325,140,014.61
  5. Step 5: Solve for x
    x = 394,325,140,014.61/742,827.93
  6. Step 6: Final answer
    x = 530,843.18

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1.5x scale

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.