Home / 847,875.96-1,170,055.71-465,894.54

Finding the Fourth Proportional to 847,875.96, 1,170,055.71 and 465,894.54

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Solution

The fourth proportional to 847,875.96, 1,170,055.71 and 465,894.54 is: 642,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,875.96 : 1,170,055.71 = 465,894.54 : x
  2. Step 2: Convert to fraction form
    847,875.96/1,170,055.71 = 465,894.54/x
  3. Step 3: Cross multiply
    847,875.96x = 1,170,055.71 × 465,894.54
  4. Step 4: Simplify right side
    847,875.96x = 545,122,566,784.82
  5. Step 5: Solve for x
    x = 545,122,566,784.82/847,875.96
  6. Step 6: Final answer
    x = 642,927.26

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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.