Home / 705,998.18-974,271.66-383,710.23

Finding the Fourth Proportional to 705,998.18, 974,271.66 and 383,710.23

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Solution

The fourth proportional to 705,998.18, 974,271.66 and 383,710.23 is: 529,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,998.18 : 974,271.66 = 383,710.23 : x
  2. Step 2: Convert to fraction form
    705,998.18/974,271.66 = 383,710.23/x
  3. Step 3: Cross multiply
    705,998.18x = 974,271.66 × 383,710.23
  4. Step 4: Simplify right side
    705,998.18x = 373,838,002,741.08
  5. Step 5: Solve for x
    x = 373,838,002,741.08/705,998.18
  6. Step 6: Final answer
    x = 529,516.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.