Home / 877,690.14-1,316,418.57-345,068.16

Finding the Fourth Proportional to 877,690.14, 1,316,418.57 and 345,068.16

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Solution

The fourth proportional to 877,690.14, 1,316,418.57 and 345,068.16 is: 517,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,690.14 : 1,316,418.57 = 345,068.16 : x
  2. Step 2: Convert to fraction form
    877,690.14/1,316,418.57 = 345,068.16/x
  3. Step 3: Cross multiply
    877,690.14x = 1,316,418.57 × 345,068.16
  4. Step 4: Simplify right side
    877,690.14x = 454,254,133,739.73
  5. Step 5: Solve for x
    x = 454,254,133,739.73/877,690.14
  6. Step 6: Final answer
    x = 517,556.38

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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.