Home / 931,629.28-1,285,443.12-592,595.68

Finding the Fourth Proportional to 931,629.28, 1,285,443.12 and 592,595.68

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Solution

The fourth proportional to 931,629.28, 1,285,443.12 and 592,595.68 is: 817,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,629.28 : 1,285,443.12 = 592,595.68 : x
  2. Step 2: Convert to fraction form
    931,629.28/1,285,443.12 = 592,595.68/x
  3. Step 3: Cross multiply
    931,629.28x = 1,285,443.12 × 592,595.68
  4. Step 4: Simplify right side
    931,629.28x = 761,748,039,797.72
  5. Step 5: Solve for x
    x = 761,748,039,797.72/931,629.28
  6. Step 6: Final answer
    x = 817,651.46

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1.5x scale

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.