Home / 899,955.78-1,242,065.82-551,304.24

Finding the Fourth Proportional to 899,955.78, 1,242,065.82 and 551,304.24

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Solution

The fourth proportional to 899,955.78, 1,242,065.82 and 551,304.24 is: 760,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,955.78 : 1,242,065.82 = 551,304.24 : x
  2. Step 2: Convert to fraction form
    899,955.78/1,242,065.82 = 551,304.24/x
  3. Step 3: Cross multiply
    899,955.78x = 1,242,065.82 × 551,304.24
  4. Step 4: Simplify right side
    899,955.78x = 684,756,152,925.08
  5. Step 5: Solve for x
    x = 684,756,152,925.08/899,955.78
  6. Step 6: Final answer
    x = 760,877.55

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Double scale
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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.