Home / 927,802.26-1,280,345.47-545,853.65

Finding the Fourth Proportional to 927,802.26, 1,280,345.47 and 545,853.65

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Solution

The fourth proportional to 927,802.26, 1,280,345.47 and 545,853.65 is: 753,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,802.26 : 1,280,345.47 = 545,853.65 : x
  2. Step 2: Convert to fraction form
    927,802.26/1,280,345.47 = 545,853.65/x
  3. Step 3: Cross multiply
    927,802.26x = 1,280,345.47 × 545,853.65
  4. Step 4: Simplify right side
    927,802.26x = 698,881,238,929.47
  5. Step 5: Solve for x
    x = 698,881,238,929.47/927,802.26
  6. Step 6: Final answer
    x = 753,265.29

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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.