Home / 936,186.32-1,291,931.80-506,465.20

Finding the Fourth Proportional to 936,186.32, 1,291,931.80 and 506,465.20

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Solution

The fourth proportional to 936,186.32, 1,291,931.80 and 506,465.20 is: 698,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,186.32 : 1,291,931.80 = 506,465.20 : x
  2. Step 2: Convert to fraction form
    936,186.32/1,291,931.80 = 506,465.20/x
  3. Step 3: Cross multiply
    936,186.32x = 1,291,931.80 × 506,465.20
  4. Step 4: Simplify right side
    936,186.32x = 654,318,497,473.36
  5. Step 5: Solve for x
    x = 654,318,497,473.36/936,186.32
  6. Step 6: Final answer
    x = 698,919.10

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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.