Home / 739,702.48-1,020,779.42-413,020.54

Finding the Fourth Proportional to 739,702.48, 1,020,779.42 and 413,020.54

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Solution

The fourth proportional to 739,702.48, 1,020,779.42 and 413,020.54 is: 569,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,702.48 : 1,020,779.42 = 413,020.54 : x
  2. Step 2: Convert to fraction form
    739,702.48/1,020,779.42 = 413,020.54/x
  3. Step 3: Cross multiply
    739,702.48x = 1,020,779.42 × 413,020.54
  4. Step 4: Simplify right side
    739,702.48x = 421,602,867,269.29
  5. Step 5: Solve for x
    x = 421,602,867,269.29/739,702.48
  6. Step 6: Final answer
    x = 569,962.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.