Home / 1,328,501.52-1,992,783.06-475,631.46

Finding the Fourth Proportional to 1,328,501.52, 1,992,783.06 and 475,631.46

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Solution

The fourth proportional to 1,328,501.52, 1,992,783.06 and 475,631.46 is: 713,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,501.52 : 1,992,783.06 = 475,631.46 : x
  2. Step 2: Convert to fraction form
    1,328,501.52/1,992,783.06 = 475,631.46/x
  3. Step 3: Cross multiply
    1,328,501.52x = 1,992,783.06 × 475,631.46
  4. Step 4: Simplify right side
    1,328,501.52x = 947,830,316,291.07
  5. Step 5: Solve for x
    x = 947,830,316,291.07/1,328,501.52
  6. Step 6: Final answer
    x = 713,458.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.