Home / 1,456,279.16-2,184,416.86-391,321.23

Finding the Fourth Proportional to 1,456,279.16, 2,184,416.86 and 391,321.23

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Solution

The fourth proportional to 1,456,279.16, 2,184,416.86 and 391,321.23 is: 586,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,279.16 : 2,184,416.86 = 391,321.23 : x
  2. Step 2: Convert to fraction form
    1,456,279.16/2,184,416.86 = 391,321.23/x
  3. Step 3: Cross multiply
    1,456,279.16x = 2,184,416.86 × 391,321.23
  4. Step 4: Simplify right side
    1,456,279.16x = 854,808,684,051.80
  5. Step 5: Solve for x
    x = 854,808,684,051.80/1,456,279.16
  6. Step 6: Final answer
    x = 586,981.34

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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.