Home / 708,200.96-977,317.44-385,911.20

Finding the Fourth Proportional to 708,200.96, 977,317.44 and 385,911.20

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Solution

The fourth proportional to 708,200.96, 977,317.44 and 385,911.20 is: 532,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,200.96 : 977,317.44 = 385,911.20 : x
  2. Step 2: Convert to fraction form
    708,200.96/977,317.44 = 385,911.20/x
  3. Step 3: Cross multiply
    708,200.96x = 977,317.44 × 385,911.20
  4. Step 4: Simplify right side
    708,200.96x = 377,157,746,051.33
  5. Step 5: Solve for x
    x = 377,157,746,051.33/708,200.96
  6. Step 6: Final answer
    x = 532,557.52

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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.