Home / 805,136.12-1,111,075.06-442,552.18

Finding the Fourth Proportional to 805,136.12, 1,111,075.06 and 442,552.18

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Solution

The fourth proportional to 805,136.12, 1,111,075.06 and 442,552.18 is: 610,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,136.12 : 1,111,075.06 = 442,552.18 : x
  2. Step 2: Convert to fraction form
    805,136.12/1,111,075.06 = 442,552.18/x
  3. Step 3: Cross multiply
    805,136.12x = 1,111,075.06 × 442,552.18
  4. Step 4: Simplify right side
    805,136.12x = 491,708,689,946.63
  5. Step 5: Solve for x
    x = 491,708,689,946.63/805,136.12
  6. Step 6: Final answer
    x = 610,714.98

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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.