Home / 623,739.04-860,710.34-351,719.98

Finding the Fourth Proportional to 623,739.04, 860,710.34 and 351,719.98

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Solution

The fourth proportional to 623,739.04, 860,710.34 and 351,719.98 is: 485,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,739.04 : 860,710.34 = 351,719.98 : x
  2. Step 2: Convert to fraction form
    623,739.04/860,710.34 = 351,719.98/x
  3. Step 3: Cross multiply
    623,739.04x = 860,710.34 × 351,719.98
  4. Step 4: Simplify right side
    623,739.04x = 302,729,023,570.59
  5. Step 5: Solve for x
    x = 302,729,023,570.59/623,739.04
  6. Step 6: Final answer
    x = 485,345.64

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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.