Home / 938,557.15-1,407,969.63-290,189.14

Finding the Fourth Proportional to 938,557.15, 1,407,969.63 and 290,189.14

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Solution

The fourth proportional to 938,557.15, 1,407,969.63 and 290,189.14 is: 435,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,557.15 : 1,407,969.63 = 290,189.14 : x
  2. Step 2: Convert to fraction form
    938,557.15/1,407,969.63 = 290,189.14/x
  3. Step 3: Cross multiply
    938,557.15x = 1,407,969.63 × 290,189.14
  4. Step 4: Simplify right side
    938,557.15x = 408,577,492,555.89
  5. Step 5: Solve for x
    x = 408,577,492,555.89/938,557.15
  6. Step 6: Final answer
    x = 435,325.11

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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.