Home / 571,272.24-851,801-555,578.16

Finding the Fourth Proportional to 571,272.24, 851,801 and 555,578.16

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Solution

The fourth proportional to 571,272.24, 851,801 and 555,578.16 is: 828,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,272.24 : 851,801 = 555,578.16 : x
  2. Step 2: Convert to fraction form
    571,272.24/851,801 = 555,578.16/x
  3. Step 3: Cross multiply
    571,272.24x = 851,801 × 555,578.16
  4. Step 4: Simplify right side
    571,272.24x = 473,242,032,266.16
  5. Step 5: Solve for x
    x = 473,242,032,266.16/571,272.24
  6. Step 6: Final answer
    x = 828,400.19

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.