Home / 876,400.08-1,315,144.44-561,083.28

Finding the Fourth Proportional to 876,400.08, 1,315,144.44 and 561,083.28

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Solution

The fourth proportional to 876,400.08, 1,315,144.44 and 561,083.28 is: 841,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,400.08 : 1,315,144.44 = 561,083.28 : x
  2. Step 2: Convert to fraction form
    876,400.08/1,315,144.44 = 561,083.28/x
  3. Step 3: Cross multiply
    876,400.08x = 1,315,144.44 × 561,083.28
  4. Step 4: Simplify right side
    876,400.08x = 737,905,556,068.96
  5. Step 5: Solve for x
    x = 737,905,556,068.96/876,400.08
  6. Step 6: Final answer
    x = 841,973.40

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1.5x scale

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.