Home / 423,818.61-584,902.47-242,587.40

Finding the Fourth Proportional to 423,818.61, 584,902.47 and 242,587.40

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Solution

The fourth proportional to 423,818.61, 584,902.47 and 242,587.40 is: 334,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,818.61 : 584,902.47 = 242,587.40 : x
  2. Step 2: Convert to fraction form
    423,818.61/584,902.47 = 242,587.40/x
  3. Step 3: Cross multiply
    423,818.61x = 584,902.47 × 242,587.40
  4. Step 4: Simplify right side
    423,818.61x = 141,889,966,526.37
  5. Step 5: Solve for x
    x = 141,889,966,526.37/423,818.61
  6. Step 6: Final answer
    x = 334,789.37

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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.