Home / 803,303.54-1,108,570.19-440,720.81

Finding the Fourth Proportional to 803,303.54, 1,108,570.19 and 440,720.81

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Solution

The fourth proportional to 803,303.54, 1,108,570.19 and 440,720.81 is: 608,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,303.54 : 1,108,570.19 = 440,720.81 : x
  2. Step 2: Convert to fraction form
    803,303.54/1,108,570.19 = 440,720.81/x
  3. Step 3: Cross multiply
    803,303.54x = 1,108,570.19 × 440,720.81
  4. Step 4: Simplify right side
    803,303.54x = 488,569,950,409.03
  5. Step 5: Solve for x
    x = 488,569,950,409.03/803,303.54
  6. Step 6: Final answer
    x = 608,200.92

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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.