Home / 1,125,989.61-1,553,807.93-616,681.05

Finding the Fourth Proportional to 1,125,989.61, 1,553,807.93 and 616,681.05

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Solution

The fourth proportional to 1,125,989.61, 1,553,807.93 and 616,681.05 is: 850,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,989.61 : 1,553,807.93 = 616,681.05 : x
  2. Step 2: Convert to fraction form
    1,125,989.61/1,553,807.93 = 616,681.05/x
  3. Step 3: Cross multiply
    1,125,989.61x = 1,553,807.93 × 616,681.05
  4. Step 4: Simplify right side
    1,125,989.61x = 958,203,902,687.32
  5. Step 5: Solve for x
    x = 958,203,902,687.32/1,125,989.61
  6. Step 6: Final answer
    x = 850,988.23

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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.