Home / 1,047,915.72-1,446,123.72-570,987.72

Finding the Fourth Proportional to 1,047,915.72, 1,446,123.72 and 570,987.72

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Solution

The fourth proportional to 1,047,915.72, 1,446,123.72 and 570,987.72 is: 787,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,915.72 : 1,446,123.72 = 570,987.72 : x
  2. Step 2: Convert to fraction form
    1,047,915.72/1,446,123.72 = 570,987.72/x
  3. Step 3: Cross multiply
    1,047,915.72x = 1,446,123.72 × 570,987.72
  4. Step 4: Simplify right side
    1,047,915.72x = 825,718,885,720.72
  5. Step 5: Solve for x
    x = 825,718,885,720.72/1,047,915.72
  6. Step 6: Final answer
    x = 787,963.07

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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.