Home / 1,318,360.23-1,977,724.16-407,617.05

Finding the Fourth Proportional to 1,318,360.23, 1,977,724.16 and 407,617.05

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Solution

The fourth proportional to 1,318,360.23, 1,977,724.16 and 407,617.05 is: 611,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,360.23 : 1,977,724.16 = 407,617.05 : x
  2. Step 2: Convert to fraction form
    1,318,360.23/1,977,724.16 = 407,617.05/x
  3. Step 3: Cross multiply
    1,318,360.23x = 1,977,724.16 × 407,617.05
  4. Step 4: Simplify right side
    1,318,360.23x = 806,154,088,831.97
  5. Step 5: Solve for x
    x = 806,154,088,831.97/1,318,360.23
  6. Step 6: Final answer
    x = 611,482.41

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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.