Home / 705,816.20-974,032.20-383,526.30

Finding the Fourth Proportional to 705,816.20, 974,032.20 and 383,526.30

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Solution

The fourth proportional to 705,816.20, 974,032.20 and 383,526.30 is: 529,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,816.20 : 974,032.20 = 383,526.30 : x
  2. Step 2: Convert to fraction form
    705,816.20/974,032.20 = 383,526.30/x
  3. Step 3: Cross multiply
    705,816.20x = 974,032.20 × 383,526.30
  4. Step 4: Simplify right side
    705,816.20x = 373,566,965,746.86
  5. Step 5: Solve for x
    x = 373,566,965,746.86/705,816.20
  6. Step 6: Final answer
    x = 529,269.47

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Double scale
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Similar ratio
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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.