Home / 530,848.80-797,828.40-521,517.60

Finding the Fourth Proportional to 530,848.80, 797,828.40 and 521,517.60

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Solution

The fourth proportional to 530,848.80, 797,828.40 and 521,517.60 is: 783,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,848.80 : 797,828.40 = 521,517.60 : x
  2. Step 2: Convert to fraction form
    530,848.80/797,828.40 = 521,517.60/x
  3. Step 3: Cross multiply
    530,848.80x = 797,828.40 × 521,517.60
  4. Step 4: Simplify right side
    530,848.80x = 416,081,552,379.84
  5. Step 5: Solve for x
    x = 416,081,552,379.84/530,848.80
  6. Step 6: Final answer
    x = 783,804.26

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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.