Home / 1,616,000.40-2,230,096.08-890,876.40

Finding the Fourth Proportional to 1,616,000.40, 2,230,096.08 and 890,876.40

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Solution

The fourth proportional to 1,616,000.40, 2,230,096.08 and 890,876.40 is: 1,229,417.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,000.40 : 2,230,096.08 = 890,876.40 : x
  2. Step 2: Convert to fraction form
    1,616,000.40/2,230,096.08 = 890,876.40/x
  3. Step 3: Cross multiply
    1,616,000.40x = 2,230,096.08 × 890,876.40
  4. Step 4: Simplify right side
    1,616,000.40x = 1,986,739,967,404.51
  5. Step 5: Solve for x
    x = 1,986,739,967,404.51/1,616,000.40
  6. Step 6: Final answer
    x = 1,229,417.99

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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.