Home / 534,779.80-802,385.70-235,317.40

Finding the Fourth Proportional to 534,779.80, 802,385.70 and 235,317.40

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Solution

The fourth proportional to 534,779.80, 802,385.70 and 235,317.40 is: 353,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,779.80 : 802,385.70 = 235,317.40 : x
  2. Step 2: Convert to fraction form
    534,779.80/802,385.70 = 235,317.40/x
  3. Step 3: Cross multiply
    534,779.80x = 802,385.70 × 235,317.40
  4. Step 4: Simplify right side
    534,779.80x = 188,815,316,721.18
  5. Step 5: Solve for x
    x = 188,815,316,721.18/534,779.80
  6. Step 6: Final answer
    x = 353,071.15

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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.