Home / 726,624,573.44-1,004,053,578.60-517,417,509.44

Finding the Fourth Proportional to 726,624,573.44, 1,004,053,578.60 and 517,417,509.44

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Solution

The fourth proportional to 726,624,573.44, 1,004,053,578.60 and 517,417,509.44 is: 714,970,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,624,573.44 : 1,004,053,578.60 = 517,417,509.44 : x
  2. Step 2: Convert to fraction form
    726,624,573.44/1,004,053,578.60 = 517,417,509.44/x
  3. Step 3: Cross multiply
    726,624,573.44x = 1,004,053,578.60 × 517,417,509.44
  4. Step 4: Simplify right side
    726,624,573.44x = 519,514,901,983,531,264
  5. Step 5: Solve for x
    x = 519,514,901,983,531,264/726,624,573.44
  6. Step 6: Final answer
    x = 714,970,179.89

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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.