Home / 830,918.56-1,147,613.44-558,513.52

Finding the Fourth Proportional to 830,918.56, 1,147,613.44 and 558,513.52

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Solution

The fourth proportional to 830,918.56, 1,147,613.44 and 558,513.52 is: 771,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,918.56 : 1,147,613.44 = 558,513.52 : x
  2. Step 2: Convert to fraction form
    830,918.56/1,147,613.44 = 558,513.52/x
  3. Step 3: Cross multiply
    830,918.56x = 1,147,613.44 × 558,513.52
  4. Step 4: Simplify right side
    830,918.56x = 640,957,621,973.71
  5. Step 5: Solve for x
    x = 640,957,621,973.71/830,918.56
  6. Step 6: Final answer
    x = 771,384.41

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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.