Home / 916,800.59-1,265,123.31-554,424.26

Finding the Fourth Proportional to 916,800.59, 1,265,123.31 and 554,424.26

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Solution

The fourth proportional to 916,800.59, 1,265,123.31 and 554,424.26 is: 765,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,800.59 : 1,265,123.31 = 554,424.26 : x
  2. Step 2: Convert to fraction form
    916,800.59/1,265,123.31 = 554,424.26/x
  3. Step 3: Cross multiply
    916,800.59x = 1,265,123.31 × 554,424.26
  4. Step 4: Simplify right side
    916,800.59x = 701,415,048,629.88
  5. Step 5: Solve for x
    x = 701,415,048,629.88/916,800.59
  6. Step 6: Final answer
    x = 765,068.28

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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.