Home / 1,587,260.66-2,190,044.47-933,915.20

Finding the Fourth Proportional to 1,587,260.66, 2,190,044.47 and 933,915.20

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Solution

The fourth proportional to 1,587,260.66, 2,190,044.47 and 933,915.20 is: 1,288,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,260.66 : 2,190,044.47 = 933,915.20 : x
  2. Step 2: Convert to fraction form
    1,587,260.66/2,190,044.47 = 933,915.20/x
  3. Step 3: Cross multiply
    1,587,260.66x = 2,190,044.47 × 933,915.20
  4. Step 4: Simplify right side
    1,587,260.66x = 2,045,315,808,258.72
  5. Step 5: Solve for x
    x = 2,045,315,808,258.72/1,587,260.66
  6. Step 6: Final answer
    x = 1,288,582.19

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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.