Home / 1,124,562.70-1,686,931.53-325,855.72

Finding the Fourth Proportional to 1,124,562.70, 1,686,931.53 and 325,855.72

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Solution

The fourth proportional to 1,124,562.70, 1,686,931.53 and 325,855.72 is: 488,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,562.70 : 1,686,931.53 = 325,855.72 : x
  2. Step 2: Convert to fraction form
    1,124,562.70/1,686,931.53 = 325,855.72/x
  3. Step 3: Cross multiply
    1,124,562.70x = 1,686,931.53 × 325,855.72
  4. Step 4: Simplify right side
    1,124,562.70x = 549,696,288,298.85
  5. Step 5: Solve for x
    x = 549,696,288,298.85/1,124,562.70
  6. Step 6: Final answer
    x = 488,808.93

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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.