Home / 516,038.12-774,147.90-235,583.72

Finding the Fourth Proportional to 516,038.12, 774,147.90 and 235,583.72

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Solution

The fourth proportional to 516,038.12, 774,147.90 and 235,583.72 is: 353,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,038.12 : 774,147.90 = 235,583.72 : x
  2. Step 2: Convert to fraction form
    516,038.12/774,147.90 = 235,583.72/x
  3. Step 3: Cross multiply
    516,038.12x = 774,147.90 × 235,583.72
  4. Step 4: Simplify right side
    516,038.12x = 182,376,642,112.19
  5. Step 5: Solve for x
    x = 182,376,642,112.19/516,038.12
  6. Step 6: Final answer
    x = 353,417.00

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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.