Home / 1,124,420.70-1,551,712.80-615,112.14

Finding the Fourth Proportional to 1,124,420.70, 1,551,712.80 and 615,112.14

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Solution

The fourth proportional to 1,124,420.70, 1,551,712.80 and 615,112.14 is: 848,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,420.70 : 1,551,712.80 = 615,112.14 : x
  2. Step 2: Convert to fraction form
    1,124,420.70/1,551,712.80 = 615,112.14/x
  3. Step 3: Cross multiply
    1,124,420.70x = 1,551,712.80 × 615,112.14
  4. Step 4: Simplify right side
    1,124,420.70x = 954,477,381,073.39
  5. Step 5: Solve for x
    x = 954,477,381,073.39/1,124,420.70
  6. Step 6: Final answer
    x = 848,861.45

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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.