Home / 1,140,606.68-1,710,132.34-578,557.40

Finding the Fourth Proportional to 1,140,606.68, 1,710,132.34 and 578,557.40

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Solution

The fourth proportional to 1,140,606.68, 1,710,132.34 and 578,557.40 is: 867,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,606.68 : 1,710,132.34 = 578,557.40 : x
  2. Step 2: Convert to fraction form
    1,140,606.68/1,710,132.34 = 578,557.40/x
  3. Step 3: Cross multiply
    1,140,606.68x = 1,710,132.34 × 578,557.40
  4. Step 4: Simplify right side
    1,140,606.68x = 989,409,720,286.32
  5. Step 5: Solve for x
    x = 989,409,720,286.32/1,140,606.68
  6. Step 6: Final answer
    x = 867,441.63

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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.