Home / 572,360.48-789,851.60-317,705.12

Finding the Fourth Proportional to 572,360.48, 789,851.60 and 317,705.12

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Solution

The fourth proportional to 572,360.48, 789,851.60 and 317,705.12 is: 438,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,360.48 : 789,851.60 = 317,705.12 : x
  2. Step 2: Convert to fraction form
    572,360.48/789,851.60 = 317,705.12/x
  3. Step 3: Cross multiply
    572,360.48x = 789,851.60 × 317,705.12
  4. Step 4: Simplify right side
    572,360.48x = 250,939,897,360.19
  5. Step 5: Solve for x
    x = 250,939,897,360.19/572,360.48
  6. Step 6: Final answer
    x = 438,429.81

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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.