Home / 742,908.48-1,025,184.96-403,368.96

Finding the Fourth Proportional to 742,908.48, 1,025,184.96 and 403,368.96

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Solution

The fourth proportional to 742,908.48, 1,025,184.96 and 403,368.96 is: 556,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,908.48 : 1,025,184.96 = 403,368.96 : x
  2. Step 2: Convert to fraction form
    742,908.48/1,025,184.96 = 403,368.96/x
  3. Step 3: Cross multiply
    742,908.48x = 1,025,184.96 × 403,368.96
  4. Step 4: Simplify right side
    742,908.48x = 413,527,791,122.84
  5. Step 5: Solve for x
    x = 413,527,791,122.84/742,908.48
  6. Step 6: Final answer
    x = 556,633.56

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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.