Home / 885,547.56-1,221,838.24-517,967.52

Finding the Fourth Proportional to 885,547.56, 1,221,838.24 and 517,967.52

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Solution

The fourth proportional to 885,547.56, 1,221,838.24 and 517,967.52 is: 714,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,547.56 : 1,221,838.24 = 517,967.52 : x
  2. Step 2: Convert to fraction form
    885,547.56/1,221,838.24 = 517,967.52/x
  3. Step 3: Cross multiply
    885,547.56x = 1,221,838.24 × 517,967.52
  4. Step 4: Simplify right side
    885,547.56x = 632,872,523,013.97
  5. Step 5: Solve for x
    x = 632,872,523,013.97/885,547.56
  6. Step 6: Final answer
    x = 714,668.02

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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.