Home / 705,902.07-974,151.09-383,612.19

Finding the Fourth Proportional to 705,902.07, 974,151.09 and 383,612.19

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Solution

The fourth proportional to 705,902.07, 974,151.09 and 383,612.19 is: 529,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,902.07 : 974,151.09 = 383,612.19 : x
  2. Step 2: Convert to fraction form
    705,902.07/974,151.09 = 383,612.19/x
  3. Step 3: Cross multiply
    705,902.07x = 974,151.09 × 383,612.19
  4. Step 4: Simplify right side
    705,902.07x = 373,696,233,025.79
  5. Step 5: Solve for x
    x = 373,696,233,025.79/705,902.07
  6. Step 6: Final answer
    x = 529,388.21

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Double scale
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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.