Home / 926,762.80-1,390,144.20-553,514.80

Finding the Fourth Proportional to 926,762.80, 1,390,144.20 and 553,514.80

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Solution

The fourth proportional to 926,762.80, 1,390,144.20 and 553,514.80 is: 830,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,762.80 : 1,390,144.20 = 553,514.80 : x
  2. Step 2: Convert to fraction form
    926,762.80/1,390,144.20 = 553,514.80/x
  3. Step 3: Cross multiply
    926,762.80x = 1,390,144.20 × 553,514.80
  4. Step 4: Simplify right side
    926,762.80x = 769,465,388,834.16
  5. Step 5: Solve for x
    x = 769,465,388,834.16/926,762.80
  6. Step 6: Final answer
    x = 830,272.20

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Half scale
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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.