Home / 1,051,572.40-1,577,358.60-578,074.80

Finding the Fourth Proportional to 1,051,572.40, 1,577,358.60 and 578,074.80

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Solution

The fourth proportional to 1,051,572.40, 1,577,358.60 and 578,074.80 is: 867,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,572.40 : 1,577,358.60 = 578,074.80 : x
  2. Step 2: Convert to fraction form
    1,051,572.40/1,577,358.60 = 578,074.80/x
  3. Step 3: Cross multiply
    1,051,572.40x = 1,577,358.60 × 578,074.80
  4. Step 4: Simplify right side
    1,051,572.40x = 911,831,257,223.28
  5. Step 5: Solve for x
    x = 911,831,257,223.28/1,051,572.40
  6. Step 6: Final answer
    x = 867,112.20

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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.