Home / 1,105,459.87-1,655,532.53-630,705.91

Finding the Fourth Proportional to 1,105,459.87, 1,655,532.53 and 630,705.91

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Solution

The fourth proportional to 1,105,459.87, 1,655,532.53 and 630,705.91 is: 944,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,459.87 : 1,655,532.53 = 630,705.91 : x
  2. Step 2: Convert to fraction form
    1,105,459.87/1,655,532.53 = 630,705.91/x
  3. Step 3: Cross multiply
    1,105,459.87x = 1,655,532.53 × 630,705.91
  4. Step 4: Simplify right side
    1,105,459.87x = 1,044,154,150,868.25
  5. Step 5: Solve for x
    x = 1,044,154,150,868.25/1,105,459.87
  6. Step 6: Final answer
    x = 944,542.79

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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.