Home / 838,778.64-1,157,547.29-476,236.23

Finding the Fourth Proportional to 838,778.64, 1,157,547.29 and 476,236.23

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Solution

The fourth proportional to 838,778.64, 1,157,547.29 and 476,236.23 is: 657,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,778.64 : 1,157,547.29 = 476,236.23 : x
  2. Step 2: Convert to fraction form
    838,778.64/1,157,547.29 = 476,236.23/x
  3. Step 3: Cross multiply
    838,778.64x = 1,157,547.29 × 476,236.23
  4. Step 4: Simplify right side
    838,778.64x = 551,265,963,159.97
  5. Step 5: Solve for x
    x = 551,265,963,159.97/838,778.64
  6. Step 6: Final answer
    x = 657,224.61

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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.