Home / 830,784.36-1,146,865.14-486,572.52

Finding the Fourth Proportional to 830,784.36, 1,146,865.14 and 486,572.52

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Solution

The fourth proportional to 830,784.36, 1,146,865.14 and 486,572.52 is: 671,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,784.36 : 1,146,865.14 = 486,572.52 : x
  2. Step 2: Convert to fraction form
    830,784.36/1,146,865.14 = 486,572.52/x
  3. Step 3: Cross multiply
    830,784.36x = 1,146,865.14 × 486,572.52
  4. Step 4: Simplify right side
    830,784.36x = 558,033,061,269.95
  5. Step 5: Solve for x
    x = 558,033,061,269.95/830,784.36
  6. Step 6: Final answer
    x = 671,694.23

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Double scale
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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.