Home / 921,803.40-1,382,705.10-602,938.80

Finding the Fourth Proportional to 921,803.40, 1,382,705.10 and 602,938.80

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Solution

The fourth proportional to 921,803.40, 1,382,705.10 and 602,938.80 is: 904,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,803.40 : 1,382,705.10 = 602,938.80 : x
  2. Step 2: Convert to fraction form
    921,803.40/1,382,705.10 = 602,938.80/x
  3. Step 3: Cross multiply
    921,803.40x = 1,382,705.10 × 602,938.80
  4. Step 4: Simplify right side
    921,803.40x = 833,686,553,747.88
  5. Step 5: Solve for x
    x = 833,686,553,747.88/921,803.40
  6. Step 6: Final answer
    x = 904,408.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.