Home / 876,666.69-1,210,001.49-514,207.35

Finding the Fourth Proportional to 876,666.69, 1,210,001.49 and 514,207.35

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Solution

The fourth proportional to 876,666.69, 1,210,001.49 and 514,207.35 is: 709,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,666.69 : 1,210,001.49 = 514,207.35 : x
  2. Step 2: Convert to fraction form
    876,666.69/1,210,001.49 = 514,207.35/x
  3. Step 3: Cross multiply
    876,666.69x = 1,210,001.49 × 514,207.35
  4. Step 4: Simplify right side
    876,666.69x = 622,191,659,668.95
  5. Step 5: Solve for x
    x = 622,191,659,668.95/876,666.69
  6. Step 6: Final answer
    x = 709,724.31

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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.