Home / 1,071,172.60-1,605,624.90-396,820.60

Finding the Fourth Proportional to 1,071,172.60, 1,605,624.90 and 396,820.60

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Solution

The fourth proportional to 1,071,172.60, 1,605,624.90 and 396,820.60 is: 594,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,172.60 : 1,605,624.90 = 396,820.60 : x
  2. Step 2: Convert to fraction form
    1,071,172.60/1,605,624.90 = 396,820.60/x
  3. Step 3: Cross multiply
    1,071,172.60x = 1,605,624.90 × 396,820.60
  4. Step 4: Simplify right side
    1,071,172.60x = 637,145,036,192.94
  5. Step 5: Solve for x
    x = 637,145,036,192.94/1,071,172.60
  6. Step 6: Final answer
    x = 594,810.80

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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.