Home / 572,377.61-789,841.59-317,708.75

Finding the Fourth Proportional to 572,377.61, 789,841.59 and 317,708.75

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Solution

The fourth proportional to 572,377.61, 789,841.59 and 317,708.75 is: 438,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,377.61 : 789,841.59 = 317,708.75 : x
  2. Step 2: Convert to fraction form
    572,377.61/789,841.59 = 317,708.75/x
  3. Step 3: Cross multiply
    572,377.61x = 789,841.59 × 317,708.75
  4. Step 4: Simplify right side
    572,377.61x = 250,939,584,256.91
  5. Step 5: Solve for x
    x = 250,939,584,256.91/572,377.61
  6. Step 6: Final answer
    x = 438,416.14

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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.