Home / 926,767.80-1,390,151.70-553,519.80

Finding the Fourth Proportional to 926,767.80, 1,390,151.70 and 553,519.80

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Solution

The fourth proportional to 926,767.80, 1,390,151.70 and 553,519.80 is: 830,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,767.80 : 1,390,151.70 = 553,519.80 : x
  2. Step 2: Convert to fraction form
    926,767.80/1,390,151.70 = 553,519.80/x
  3. Step 3: Cross multiply
    926,767.80x = 1,390,151.70 × 553,519.80
  4. Step 4: Simplify right side
    926,767.80x = 769,476,490,953.66
  5. Step 5: Solve for x
    x = 769,476,490,953.66/926,767.80
  6. Step 6: Final answer
    x = 830,279.70

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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.