Home / 839,430.83-1,258,684.54-573,491.63

Finding the Fourth Proportional to 839,430.83, 1,258,684.54 and 573,491.63

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Solution

The fourth proportional to 839,430.83, 1,258,684.54 and 573,491.63 is: 859,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,430.83 : 1,258,684.54 = 573,491.63 : x
  2. Step 2: Convert to fraction form
    839,430.83/1,258,684.54 = 573,491.63/x
  3. Step 3: Cross multiply
    839,430.83x = 1,258,684.54 × 573,491.63
  4. Step 4: Simplify right side
    839,430.83x = 721,845,039,339.52
  5. Step 5: Solve for x
    x = 721,845,039,339.52/839,430.83
  6. Step 6: Final answer
    x = 859,922.01

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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.