Home / 1,402,153.72-2,103,584.45-391,274.84

Finding the Fourth Proportional to 1,402,153.72, 2,103,584.45 and 391,274.84

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Solution

The fourth proportional to 1,402,153.72, 2,103,584.45 and 391,274.84 is: 587,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,153.72 : 2,103,584.45 = 391,274.84 : x
  2. Step 2: Convert to fraction form
    1,402,153.72/2,103,584.45 = 391,274.84/x
  3. Step 3: Cross multiply
    1,402,153.72x = 2,103,584.45 × 391,274.84
  4. Step 4: Simplify right side
    1,402,153.72x = 823,079,658,582.32
  5. Step 5: Solve for x
    x = 823,079,658,582.32/1,402,153.72
  6. Step 6: Final answer
    x = 587,011.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.