Home / 742,093.11-1,113,048.95-315,800.64

Finding the Fourth Proportional to 742,093.11, 1,113,048.95 and 315,800.64

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Solution

The fourth proportional to 742,093.11, 1,113,048.95 and 315,800.64 is: 473,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,093.11 : 1,113,048.95 = 315,800.64 : x
  2. Step 2: Convert to fraction form
    742,093.11/1,113,048.95 = 315,800.64/x
  3. Step 3: Cross multiply
    742,093.11x = 1,113,048.95 × 315,800.64
  4. Step 4: Simplify right side
    742,093.11x = 351,501,569,182.33
  5. Step 5: Solve for x
    x = 351,501,569,182.33/742,093.11
  6. Step 6: Final answer
    x = 473,662.35

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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.