Home / 927,717.40-1,390,911.90-358,611.40

Finding the Fourth Proportional to 927,717.40, 1,390,911.90 and 358,611.40

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Solution

The fourth proportional to 927,717.40, 1,390,911.90 and 358,611.40 is: 537,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,717.40 : 1,390,911.90 = 358,611.40 : x
  2. Step 2: Convert to fraction form
    927,717.40/1,390,911.90 = 358,611.40/x
  3. Step 3: Cross multiply
    927,717.40x = 1,390,911.90 × 358,611.40
  4. Step 4: Simplify right side
    927,717.40x = 498,796,863,735.66
  5. Step 5: Solve for x
    x = 498,796,863,735.66/927,717.40
  6. Step 6: Final answer
    x = 537,660.35

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1.5x scale

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.