Home / 817,989.51-1,128,533.29-473,637.45

Finding the Fourth Proportional to 817,989.51, 1,128,533.29 and 473,637.45

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Solution

The fourth proportional to 817,989.51, 1,128,533.29 and 473,637.45 is: 653,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,989.51 : 1,128,533.29 = 473,637.45 : x
  2. Step 2: Convert to fraction form
    817,989.51/1,128,533.29 = 473,637.45/x
  3. Step 3: Cross multiply
    817,989.51x = 1,128,533.29 × 473,637.45
  4. Step 4: Simplify right side
    817,989.51x = 534,515,629,715.71
  5. Step 5: Solve for x
    x = 534,515,629,715.71/817,989.51
  6. Step 6: Final answer
    x = 653,450.47

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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.