Home / 1,019,228-1,406,498.80-560,339.26

Finding the Fourth Proportional to 1,019,228, 1,406,498.80 and 560,339.26

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Solution

The fourth proportional to 1,019,228, 1,406,498.80 and 560,339.26 is: 773,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,228 : 1,406,498.80 = 560,339.26 : x
  2. Step 2: Convert to fraction form
    1,019,228/1,406,498.80 = 560,339.26/x
  3. Step 3: Cross multiply
    1,019,228x = 1,406,498.80 × 560,339.26
  4. Step 4: Simplify right side
    1,019,228x = 788,116,496,782.89
  5. Step 5: Solve for x
    x = 788,116,496,782.89/1,019,228
  6. Step 6: Final answer
    x = 773,248.48

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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.