Home / 1,781,986.60-2,459,111.70-1,007,605

Finding the Fourth Proportional to 1,781,986.60, 2,459,111.70 and 1,007,605

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Solution

The fourth proportional to 1,781,986.60, 2,459,111.70 and 1,007,605 is: 1,390,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,986.60 : 2,459,111.70 = 1,007,605 : x
  2. Step 2: Convert to fraction form
    1,781,986.60/2,459,111.70 = 1,007,605/x
  3. Step 3: Cross multiply
    1,781,986.60x = 2,459,111.70 × 1,007,605
  4. Step 4: Simplify right side
    1,781,986.60x = 2,477,813,244,478.50
  5. Step 5: Solve for x
    x = 2,477,813,244,478.50/1,781,986.60
  6. Step 6: Final answer
    x = 1,390,478.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.