Home / 936,100.26-1,291,816.88-506,379.06

Finding the Fourth Proportional to 936,100.26, 1,291,816.88 and 506,379.06

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Solution

The fourth proportional to 936,100.26, 1,291,816.88 and 506,379.06 is: 698,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,100.26 : 1,291,816.88 = 506,379.06 : x
  2. Step 2: Convert to fraction form
    936,100.26/1,291,816.88 = 506,379.06/x
  3. Step 3: Cross multiply
    936,100.26x = 1,291,816.88 × 506,379.06
  4. Step 4: Simplify right side
    936,100.26x = 654,149,017,386.53
  5. Step 5: Solve for x
    x = 654,149,017,386.53/936,100.26
  6. Step 6: Final answer
    x = 698,802.30

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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.