Home / 910,111.89-1,255,897.94-502,216.95

Finding the Fourth Proportional to 910,111.89, 1,255,897.94 and 502,216.95

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Solution

The fourth proportional to 910,111.89, 1,255,897.94 and 502,216.95 is: 693,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,111.89 : 1,255,897.94 = 502,216.95 : x
  2. Step 2: Convert to fraction form
    910,111.89/1,255,897.94 = 502,216.95/x
  3. Step 3: Cross multiply
    910,111.89x = 1,255,897.94 × 502,216.95
  4. Step 4: Simplify right side
    910,111.89x = 630,733,230,427.00
  5. Step 5: Solve for x
    x = 630,733,230,427.00/910,111.89
  6. Step 6: Final answer
    x = 693,028.23

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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.