Home / 1,070,832.70-1,607,674.56-621,875.80

Finding the Fourth Proportional to 1,070,832.70, 1,607,674.56 and 621,875.80

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Solution

The fourth proportional to 1,070,832.70, 1,607,674.56 and 621,875.80 is: 933,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,832.70 : 1,607,674.56 = 621,875.80 : x
  2. Step 2: Convert to fraction form
    1,070,832.70/1,607,674.56 = 621,875.80/x
  3. Step 3: Cross multiply
    1,070,832.70x = 1,607,674.56 × 621,875.80
  4. Step 4: Simplify right side
    1,070,832.70x = 999,773,903,139.65
  5. Step 5: Solve for x
    x = 999,773,903,139.65/1,070,832.70
  6. Step 6: Final answer
    x = 933,641.55

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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.