Home / 614,976.48-848,666.16-346,702.56

Finding the Fourth Proportional to 614,976.48, 848,666.16 and 346,702.56

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Solution

The fourth proportional to 614,976.48, 848,666.16 and 346,702.56 is: 478,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,976.48 : 848,666.16 = 346,702.56 : x
  2. Step 2: Convert to fraction form
    614,976.48/848,666.16 = 346,702.56/x
  3. Step 3: Cross multiply
    614,976.48x = 848,666.16 × 346,702.56
  4. Step 4: Simplify right side
    614,976.48x = 294,234,730,257.37
  5. Step 5: Solve for x
    x = 294,234,730,257.37/614,976.48
  6. Step 6: Final answer
    x = 478,448.75

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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.