Home / 770,133.93-1,062,459.37-515,567.13

Finding the Fourth Proportional to 770,133.93, 1,062,459.37 and 515,567.13

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Solution

The fourth proportional to 770,133.93, 1,062,459.37 and 515,567.13 is: 711,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,133.93 : 1,062,459.37 = 515,567.13 : x
  2. Step 2: Convert to fraction form
    770,133.93/1,062,459.37 = 515,567.13/x
  3. Step 3: Cross multiply
    770,133.93x = 1,062,459.37 × 515,567.13
  4. Step 4: Simplify right side
    770,133.93x = 547,769,128,132.51
  5. Step 5: Solve for x
    x = 547,769,128,132.51/770,133.93
  6. Step 6: Final answer
    x = 711,264.76

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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.