Home / 921,498.72-1,386,464.40-547,801.44

Finding the Fourth Proportional to 921,498.72, 1,386,464.40 and 547,801.44

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Solution

The fourth proportional to 921,498.72, 1,386,464.40 and 547,801.44 is: 824,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,498.72 : 1,386,464.40 = 547,801.44 : x
  2. Step 2: Convert to fraction form
    921,498.72/1,386,464.40 = 547,801.44/x
  3. Step 3: Cross multiply
    921,498.72x = 1,386,464.40 × 547,801.44
  4. Step 4: Simplify right side
    921,498.72x = 759,507,194,828.74
  5. Step 5: Solve for x
    x = 759,507,194,828.74/921,498.72
  6. Step 6: Final answer
    x = 824,208.63

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Double scale
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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.