Home / 971,329.86-1,340,451.72-535,797.18

Finding the Fourth Proportional to 971,329.86, 1,340,451.72 and 535,797.18

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Solution

The fourth proportional to 971,329.86, 1,340,451.72 and 535,797.18 is: 739,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,329.86 : 1,340,451.72 = 535,797.18 : x
  2. Step 2: Convert to fraction form
    971,329.86/1,340,451.72 = 535,797.18/x
  3. Step 3: Cross multiply
    971,329.86x = 1,340,451.72 × 535,797.18
  4. Step 4: Simplify right side
    971,329.86x = 718,210,251,502.15
  5. Step 5: Solve for x
    x = 718,210,251,502.15/971,329.86
  6. Step 6: Final answer
    x = 739,409.22

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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.