Home / 668,799.59-1,001,486.70-368,946.90

Finding the Fourth Proportional to 668,799.59, 1,001,486.70 and 368,946.90

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Solution

The fourth proportional to 668,799.59, 1,001,486.70 and 368,946.90 is: 552,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,799.59 : 1,001,486.70 = 368,946.90 : x
  2. Step 2: Convert to fraction form
    668,799.59/1,001,486.70 = 368,946.90/x
  3. Step 3: Cross multiply
    668,799.59x = 1,001,486.70 × 368,946.90
  4. Step 4: Simplify right side
    668,799.59x = 369,495,413,356.23
  5. Step 5: Solve for x
    x = 369,495,413,356.23/668,799.59
  6. Step 6: Final answer
    x = 552,475.54

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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.