Home / 710,531.47-980,533.70-383,844.61

Finding the Fourth Proportional to 710,531.47, 980,533.70 and 383,844.61

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Solution

The fourth proportional to 710,531.47, 980,533.70 and 383,844.61 is: 529,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,531.47 : 980,533.70 = 383,844.61 : x
  2. Step 2: Convert to fraction form
    710,531.47/980,533.70 = 383,844.61/x
  3. Step 3: Cross multiply
    710,531.47x = 980,533.70 × 383,844.61
  4. Step 4: Simplify right side
    710,531.47x = 376,372,575,668.36
  5. Step 5: Solve for x
    x = 376,372,575,668.36/710,531.47
  6. Step 6: Final answer
    x = 529,705.71

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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.