Home / 926,295.72-1,390,718.70-471,195.06

Finding the Fourth Proportional to 926,295.72, 1,390,718.70 and 471,195.06

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Solution

The fourth proportional to 926,295.72, 1,390,718.70 and 471,195.06 is: 707,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,295.72 : 1,390,718.70 = 471,195.06 : x
  2. Step 2: Convert to fraction form
    926,295.72/1,390,718.70 = 471,195.06/x
  3. Step 3: Cross multiply
    926,295.72x = 1,390,718.70 × 471,195.06
  4. Step 4: Simplify right side
    926,295.72x = 655,299,781,289.62
  5. Step 5: Solve for x
    x = 655,299,781,289.62/926,295.72
  6. Step 6: Final answer
    x = 707,441.23

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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.