Home / 813,851.24-1,220,787.18-561,064.10

Finding the Fourth Proportional to 813,851.24, 1,220,787.18 and 561,064.10

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Solution

The fourth proportional to 813,851.24, 1,220,787.18 and 561,064.10 is: 841,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,851.24 : 1,220,787.18 = 561,064.10 : x
  2. Step 2: Convert to fraction form
    813,851.24/1,220,787.18 = 561,064.10/x
  3. Step 3: Cross multiply
    813,851.24x = 1,220,787.18 × 561,064.10
  4. Step 4: Simplify right side
    813,851.24x = 684,939,854,334.30
  5. Step 5: Solve for x
    x = 684,939,854,334.30/813,851.24
  6. Step 6: Final answer
    x = 841,603.26

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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.