Home / 1,140,856.77-1,574,401.05-624,602.10

Finding the Fourth Proportional to 1,140,856.77, 1,574,401.05 and 624,602.10

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Solution

The fourth proportional to 1,140,856.77, 1,574,401.05 and 624,602.10 is: 861,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,856.77 : 1,574,401.05 = 624,602.10 : x
  2. Step 2: Convert to fraction form
    1,140,856.77/1,574,401.05 = 624,602.10/x
  3. Step 3: Cross multiply
    1,140,856.77x = 1,574,401.05 × 624,602.10
  4. Step 4: Simplify right side
    1,140,856.77x = 983,374,202,072.21
  5. Step 5: Solve for x
    x = 983,374,202,072.21/1,140,856.77
  6. Step 6: Final answer
    x = 861,961.14

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1.5x scale

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.