Home / 403,531.84-556,927.26-260,707.36

Finding the Fourth Proportional to 403,531.84, 556,927.26 and 260,707.36

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Solution

The fourth proportional to 403,531.84, 556,927.26 and 260,707.36 is: 359,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,531.84 : 556,927.26 = 260,707.36 : x
  2. Step 2: Convert to fraction form
    403,531.84/556,927.26 = 260,707.36/x
  3. Step 3: Cross multiply
    403,531.84x = 556,927.26 × 260,707.36
  4. Step 4: Simplify right side
    403,531.84x = 145,195,035,666.63
  5. Step 5: Solve for x
    x = 145,195,035,666.63/403,531.84
  6. Step 6: Final answer
    x = 359,810.61

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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.