Home / 806,707.68-1,209,779.28-237,937.76

Finding the Fourth Proportional to 806,707.68, 1,209,779.28 and 237,937.76

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Solution

The fourth proportional to 806,707.68, 1,209,779.28 and 237,937.76 is: 356,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,707.68 : 1,209,779.28 = 237,937.76 : x
  2. Step 2: Convert to fraction form
    806,707.68/1,209,779.28 = 237,937.76/x
  3. Step 3: Cross multiply
    806,707.68x = 1,209,779.28 × 237,937.76
  4. Step 4: Simplify right side
    806,707.68x = 287,852,171,977.61
  5. Step 5: Solve for x
    x = 287,852,171,977.61/806,707.68
  6. Step 6: Final answer
    x = 356,823.39

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1.5x scale

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.