Home / 1,066,856.16-1,600,443.36-392,885.76

Finding the Fourth Proportional to 1,066,856.16, 1,600,443.36 and 392,885.76

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Solution

The fourth proportional to 1,066,856.16, 1,600,443.36 and 392,885.76 is: 589,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,856.16 : 1,600,443.36 = 392,885.76 : x
  2. Step 2: Convert to fraction form
    1,066,856.16/1,600,443.36 = 392,885.76/x
  3. Step 3: Cross multiply
    1,066,856.16x = 1,600,443.36 × 392,885.76
  4. Step 4: Simplify right side
    1,066,856.16x = 628,791,405,830.55
  5. Step 5: Solve for x
    x = 628,791,405,830.55/1,066,856.16
  6. Step 6: Final answer
    x = 589,387.24

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1.5x scale

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.