Home / 1,226,989.58-1,840,509.88-328,430.25

Finding the Fourth Proportional to 1,226,989.58, 1,840,509.88 and 328,430.25

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Solution

The fourth proportional to 1,226,989.58, 1,840,509.88 and 328,430.25 is: 492,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,989.58 : 1,840,509.88 = 328,430.25 : x
  2. Step 2: Convert to fraction form
    1,226,989.58/1,840,509.88 = 328,430.25/x
  3. Step 3: Cross multiply
    1,226,989.58x = 1,840,509.88 × 328,430.25
  4. Step 4: Simplify right side
    1,226,989.58x = 604,479,119,194.79
  5. Step 5: Solve for x
    x = 604,479,119,194.79/1,226,989.58
  6. Step 6: Final answer
    x = 492,652.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.