Home / 572,315.48-789,634.95-357,673.58

Finding the Fourth Proportional to 572,315.48, 789,634.95 and 357,673.58

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Solution

The fourth proportional to 572,315.48, 789,634.95 and 357,673.58 is: 493,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,315.48 : 789,634.95 = 357,673.58 : x
  2. Step 2: Convert to fraction form
    572,315.48/789,634.95 = 357,673.58/x
  3. Step 3: Cross multiply
    572,315.48x = 789,634.95 × 357,673.58
  4. Step 4: Simplify right side
    572,315.48x = 282,431,559,459.62
  5. Step 5: Solve for x
    x = 282,431,559,459.62/572,315.48
  6. Step 6: Final answer
    x = 493,489.29

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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.