Home / 914,560.09-1,262,075.85-551,999.23

Finding the Fourth Proportional to 914,560.09, 1,262,075.85 and 551,999.23

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Solution

The fourth proportional to 914,560.09, 1,262,075.85 and 551,999.23 is: 761,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,560.09 : 1,262,075.85 = 551,999.23 : x
  2. Step 2: Convert to fraction form
    914,560.09/1,262,075.85 = 551,999.23/x
  3. Step 3: Cross multiply
    914,560.09x = 1,262,075.85 × 551,999.23
  4. Step 4: Simplify right side
    914,560.09x = 696,664,894,246.41
  5. Step 5: Solve for x
    x = 696,664,894,246.41/914,560.09
  6. Step 6: Final answer
    x = 761,748.63

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Double scale
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Similar ratio
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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.