Home / 858,702.88-1,184,986.92-514,733.12

Finding the Fourth Proportional to 858,702.88, 1,184,986.92 and 514,733.12

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Solution

The fourth proportional to 858,702.88, 1,184,986.92 and 514,733.12 is: 710,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,702.88 : 1,184,986.92 = 514,733.12 : x
  2. Step 2: Convert to fraction form
    858,702.88/1,184,986.92 = 514,733.12/x
  3. Step 3: Cross multiply
    858,702.88x = 1,184,986.92 × 514,733.12
  4. Step 4: Simplify right side
    858,702.88x = 609,952,014,490.79
  5. Step 5: Solve for x
    x = 609,952,014,490.79/858,702.88
  6. Step 6: Final answer
    x = 710,317.89

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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.