Home / 742,742.11-1,025,494.55-501,362.92

Finding the Fourth Proportional to 742,742.11, 1,025,494.55 and 501,362.92

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Solution

The fourth proportional to 742,742.11, 1,025,494.55 and 501,362.92 is: 692,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,742.11 : 1,025,494.55 = 501,362.92 : x
  2. Step 2: Convert to fraction form
    742,742.11/1,025,494.55 = 501,362.92/x
  3. Step 3: Cross multiply
    742,742.11x = 1,025,494.55 × 501,362.92
  4. Step 4: Simplify right side
    742,742.11x = 514,144,938,328.93
  5. Step 5: Solve for x
    x = 514,144,938,328.93/742,742.11
  6. Step 6: Final answer
    x = 692,225.38

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Double scale
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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.