Home / 450,870.04-676,408.74-135,332.92

Finding the Fourth Proportional to 450,870.04, 676,408.74 and 135,332.92

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Solution

The fourth proportional to 450,870.04, 676,408.74 and 135,332.92 is: 203,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,870.04 : 676,408.74 = 135,332.92 : x
  2. Step 2: Convert to fraction form
    450,870.04/676,408.74 = 135,332.92/x
  3. Step 3: Cross multiply
    450,870.04x = 676,408.74 × 135,332.92
  4. Step 4: Simplify right side
    450,870.04x = 91,540,369,897.72
  5. Step 5: Solve for x
    x = 91,540,369,897.72/450,870.04
  6. Step 6: Final answer
    x = 203,030.50

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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.