Home / 1,211,705.51-1,817,895.42-528,652.10

Finding the Fourth Proportional to 1,211,705.51, 1,817,895.42 and 528,652.10

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Solution

The fourth proportional to 1,211,705.51, 1,817,895.42 and 528,652.10 is: 793,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,705.51 : 1,817,895.42 = 528,652.10 : x
  2. Step 2: Convert to fraction form
    1,211,705.51/1,817,895.42 = 528,652.10/x
  3. Step 3: Cross multiply
    1,211,705.51x = 1,817,895.42 × 528,652.10
  4. Step 4: Simplify right side
    1,211,705.51x = 961,034,231,363.38
  5. Step 5: Solve for x
    x = 961,034,231,363.38/1,211,705.51
  6. Step 6: Final answer
    x = 793,125.25

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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.