Home / 879,529.60-1,213,780.16-516,948.16

Finding the Fourth Proportional to 879,529.60, 1,213,780.16 and 516,948.16

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Solution

The fourth proportional to 879,529.60, 1,213,780.16 and 516,948.16 is: 713,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,529.60 : 1,213,780.16 = 516,948.16 : x
  2. Step 2: Convert to fraction form
    879,529.60/1,213,780.16 = 516,948.16/x
  3. Step 3: Cross multiply
    879,529.60x = 1,213,780.16 × 516,948.16
  4. Step 4: Simplify right side
    879,529.60x = 627,461,420,356.51
  5. Step 5: Solve for x
    x = 627,461,420,356.51/879,529.60
  6. Step 6: Final answer
    x = 713,405.69

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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.