Home / 910,113.17-1,255,959.88-502,226.93

Finding the Fourth Proportional to 910,113.17, 1,255,959.88 and 502,226.93

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Solution

The fourth proportional to 910,113.17, 1,255,959.88 and 502,226.93 is: 693,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,113.17 : 1,255,959.88 = 502,226.93 : x
  2. Step 2: Convert to fraction form
    910,113.17/1,255,959.88 = 502,226.93/x
  3. Step 3: Cross multiply
    910,113.17x = 1,255,959.88 × 502,226.93
  4. Step 4: Simplify right side
    910,113.17x = 630,776,876,619.90
  5. Step 5: Solve for x
    x = 630,776,876,619.90/910,113.17
  6. Step 6: Final answer
    x = 693,075.21

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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.