Home / 817,953.60-1,128,748.32-460,188.48

Finding the Fourth Proportional to 817,953.60, 1,128,748.32 and 460,188.48

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Solution

The fourth proportional to 817,953.60, 1,128,748.32 and 460,188.48 is: 635,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,953.60 : 1,128,748.32 = 460,188.48 : x
  2. Step 2: Convert to fraction form
    817,953.60/1,128,748.32 = 460,188.48/x
  3. Step 3: Cross multiply
    817,953.60x = 1,128,748.32 × 460,188.48
  4. Step 4: Simplify right side
    817,953.60x = 519,436,973,683.35
  5. Step 5: Solve for x
    x = 519,436,973,683.35/817,953.60
  6. Step 6: Final answer
    x = 635,044.55

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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.