Home / 1,130,290.64-1,559,722.44-621,014.48

Finding the Fourth Proportional to 1,130,290.64, 1,559,722.44 and 621,014.48

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Solution

The fourth proportional to 1,130,290.64, 1,559,722.44 and 621,014.48 is: 856,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,290.64 : 1,559,722.44 = 621,014.48 : x
  2. Step 2: Convert to fraction form
    1,130,290.64/1,559,722.44 = 621,014.48/x
  3. Step 3: Cross multiply
    1,130,290.64x = 1,559,722.44 × 621,014.48
  4. Step 4: Simplify right side
    1,130,290.64x = 968,610,220,020.93
  5. Step 5: Solve for x
    x = 968,610,220,020.93/1,130,290.64
  6. Step 6: Final answer
    x = 856,956.77

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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.