Home / 572,037.75-786,612.74-496,455.03

Finding the Fourth Proportional to 572,037.75, 786,612.74 and 496,455.03

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Solution

The fourth proportional to 572,037.75, 786,612.74 and 496,455.03 is: 682,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,037.75 : 786,612.74 = 496,455.03 : x
  2. Step 2: Convert to fraction form
    572,037.75/786,612.74 = 496,455.03/x
  3. Step 3: Cross multiply
    572,037.75x = 786,612.74 × 496,455.03
  4. Step 4: Simplify right side
    572,037.75x = 390,517,848,952.81
  5. Step 5: Solve for x
    x = 390,517,848,952.81/572,037.75
  6. Step 6: Final answer
    x = 682,678.46

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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.