Home / 696,730.18-1,045,096.90-191,298.08

Finding the Fourth Proportional to 696,730.18, 1,045,096.90 and 191,298.08

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Solution

The fourth proportional to 696,730.18, 1,045,096.90 and 191,298.08 is: 286,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,730.18 : 1,045,096.90 = 191,298.08 : x
  2. Step 2: Convert to fraction form
    696,730.18/1,045,096.90 = 191,298.08/x
  3. Step 3: Cross multiply
    696,730.18x = 1,045,096.90 × 191,298.08
  4. Step 4: Simplify right side
    696,730.18x = 199,925,025,158.47
  5. Step 5: Solve for x
    x = 199,925,025,158.47/696,730.18
  6. Step 6: Final answer
    x = 286,947.56

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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.