Home / 1,005,745.12-1,509,565.44-366,666.76

Finding the Fourth Proportional to 1,005,745.12, 1,509,565.44 and 366,666.76

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Solution

The fourth proportional to 1,005,745.12, 1,509,565.44 and 366,666.76 is: 550,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,745.12 : 1,509,565.44 = 366,666.76 : x
  2. Step 2: Convert to fraction form
    1,005,745.12/1,509,565.44 = 366,666.76/x
  3. Step 3: Cross multiply
    1,005,745.12x = 1,509,565.44 × 366,666.76
  4. Step 4: Simplify right side
    1,005,745.12x = 553,507,468,892.77
  5. Step 5: Solve for x
    x = 553,507,468,892.77/1,005,745.12
  6. Step 6: Final answer
    x = 550,345.67

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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.