Home / 703,878.04-971,123.34-397,924.84

Finding the Fourth Proportional to 703,878.04, 971,123.34 and 397,924.84

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Solution

The fourth proportional to 703,878.04, 971,123.34 and 397,924.84 is: 549,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,878.04 : 971,123.34 = 397,924.84 : x
  2. Step 2: Convert to fraction form
    703,878.04/971,123.34 = 397,924.84/x
  3. Step 3: Cross multiply
    703,878.04x = 971,123.34 × 397,924.84
  4. Step 4: Simplify right side
    703,878.04x = 386,434,099,689.77
  5. Step 5: Solve for x
    x = 386,434,099,689.77/703,878.04
  6. Step 6: Final answer
    x = 549,007.18

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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.