Home / 817,512.51-1,129,447.13-624,595.53

Finding the Fourth Proportional to 817,512.51, 1,129,447.13 and 624,595.53

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Solution

The fourth proportional to 817,512.51, 1,129,447.13 and 624,595.53 is: 862,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,512.51 : 1,129,447.13 = 624,595.53 : x
  2. Step 2: Convert to fraction form
    817,512.51/1,129,447.13 = 624,595.53/x
  3. Step 3: Cross multiply
    817,512.51x = 1,129,447.13 × 624,595.53
  4. Step 4: Simplify right side
    817,512.51x = 705,447,628,769.33
  5. Step 5: Solve for x
    x = 705,447,628,769.33/817,512.51
  6. Step 6: Final answer
    x = 862,919.67

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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.