Home / 423,370.59-584,736.31-278,822.53

Finding the Fourth Proportional to 423,370.59, 584,736.31 and 278,822.53

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Solution

The fourth proportional to 423,370.59, 584,736.31 and 278,822.53 is: 385,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,370.59 : 584,736.31 = 278,822.53 : x
  2. Step 2: Convert to fraction form
    423,370.59/584,736.31 = 278,822.53/x
  3. Step 3: Cross multiply
    423,370.59x = 584,736.31 × 278,822.53
  4. Step 4: Simplify right side
    423,370.59x = 163,037,657,370.93
  5. Step 5: Solve for x
    x = 163,037,657,370.93/423,370.59
  6. Step 6: Final answer
    x = 385,094.44

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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.