Home / 397,526.80-596,981.40-210,902.80

Finding the Fourth Proportional to 397,526.80, 596,981.40 and 210,902.80

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Solution

The fourth proportional to 397,526.80, 596,981.40 and 210,902.80 is: 316,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,526.80 : 596,981.40 = 210,902.80 : x
  2. Step 2: Convert to fraction form
    397,526.80/596,981.40 = 210,902.80/x
  3. Step 3: Cross multiply
    397,526.80x = 596,981.40 × 210,902.80
  4. Step 4: Simplify right side
    397,526.80x = 125,905,048,807.92
  5. Step 5: Solve for x
    x = 125,905,048,807.92/397,526.80
  6. Step 6: Final answer
    x = 316,720.91

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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.