Home / 1,941,602.08-2,913,715.28-679,440.64

Finding the Fourth Proportional to 1,941,602.08, 2,913,715.28 and 679,440.64

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Solution

The fourth proportional to 1,941,602.08, 2,913,715.28 and 679,440.64 is: 1,019,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,602.08 : 2,913,715.28 = 679,440.64 : x
  2. Step 2: Convert to fraction form
    1,941,602.08/2,913,715.28 = 679,440.64/x
  3. Step 3: Cross multiply
    1,941,602.08x = 2,913,715.28 × 679,440.64
  4. Step 4: Simplify right side
    1,941,602.08x = 1,979,696,574,620.98
  5. Step 5: Solve for x
    x = 1,979,696,574,620.98/1,941,602.08
  6. Step 6: Final answer
    x = 1,019,620.13

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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.