Home / 889,045.44-1,226,870.16-507,078.72

Finding the Fourth Proportional to 889,045.44, 1,226,870.16 and 507,078.72

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Solution

The fourth proportional to 889,045.44, 1,226,870.16 and 507,078.72 is: 699,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,045.44 : 1,226,870.16 = 507,078.72 : x
  2. Step 2: Convert to fraction form
    889,045.44/1,226,870.16 = 507,078.72/x
  3. Step 3: Cross multiply
    889,045.44x = 1,226,870.16 × 507,078.72
  4. Step 4: Simplify right side
    889,045.44x = 622,119,750,339.00
  5. Step 5: Solve for x
    x = 622,119,750,339.00/889,045.44
  6. Step 6: Final answer
    x = 699,761.48

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Double scale
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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.