Home / 950,308.61-1,311,415.45-514,715.14

Finding the Fourth Proportional to 950,308.61, 1,311,415.45 and 514,715.14

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Solution

The fourth proportional to 950,308.61, 1,311,415.45 and 514,715.14 is: 710,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,308.61 : 1,311,415.45 = 514,715.14 : x
  2. Step 2: Convert to fraction form
    950,308.61/1,311,415.45 = 514,715.14/x
  3. Step 3: Cross multiply
    950,308.61x = 1,311,415.45 × 514,715.14
  4. Step 4: Simplify right side
    950,308.61x = 675,005,387,297.39
  5. Step 5: Solve for x
    x = 675,005,387,297.39/950,308.61
  6. Step 6: Final answer
    x = 710,301.25

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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.