Home / 936,148.32-1,291,879.44-506,427.12

Finding the Fourth Proportional to 936,148.32, 1,291,879.44 and 506,427.12

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Solution

The fourth proportional to 936,148.32, 1,291,879.44 and 506,427.12 is: 698,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,148.32 : 1,291,879.44 = 506,427.12 : x
  2. Step 2: Convert to fraction form
    936,148.32/1,291,879.44 = 506,427.12/x
  3. Step 3: Cross multiply
    936,148.32x = 1,291,879.44 × 506,427.12
  4. Step 4: Simplify right side
    936,148.32x = 654,242,784,186.41
  5. Step 5: Solve for x
    x = 654,242,784,186.41/936,148.32
  6. Step 6: Final answer
    x = 698,866.59

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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.