Home / 875,340.48-1,207,970.40-472,932.48

Finding the Fourth Proportional to 875,340.48, 1,207,970.40 and 472,932.48

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Solution

The fourth proportional to 875,340.48, 1,207,970.40 and 472,932.48 is: 652,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,340.48 : 1,207,970.40 = 472,932.48 : x
  2. Step 2: Convert to fraction form
    875,340.48/1,207,970.40 = 472,932.48/x
  3. Step 3: Cross multiply
    875,340.48x = 1,207,970.40 × 472,932.48
  4. Step 4: Simplify right side
    875,340.48x = 571,288,437,038.59
  5. Step 5: Solve for x
    x = 571,288,437,038.59/875,340.48
  6. Step 6: Final answer
    x = 652,647.11

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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.