Home / 1,111,447.39-1,533,777.40-628,002.15

Finding the Fourth Proportional to 1,111,447.39, 1,533,777.40 and 628,002.15

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Solution

The fourth proportional to 1,111,447.39, 1,533,777.40 and 628,002.15 is: 866,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,447.39 : 1,533,777.40 = 628,002.15 : x
  2. Step 2: Convert to fraction form
    1,111,447.39/1,533,777.40 = 628,002.15/x
  3. Step 3: Cross multiply
    1,111,447.39x = 1,533,777.40 × 628,002.15
  4. Step 4: Simplify right side
    1,111,447.39x = 963,215,501,681.40
  5. Step 5: Solve for x
    x = 963,215,501,681.40/1,111,447.39
  6. Step 6: Final answer
    x = 866,631.67

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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.