Home / 872,881.51-1,204,395.88-510,235.20

Finding the Fourth Proportional to 872,881.51, 1,204,395.88 and 510,235.20

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Solution

The fourth proportional to 872,881.51, 1,204,395.88 and 510,235.20 is: 704,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,881.51 : 1,204,395.88 = 510,235.20 : x
  2. Step 2: Convert to fraction form
    872,881.51/1,204,395.88 = 510,235.20/x
  3. Step 3: Cross multiply
    872,881.51x = 1,204,395.88 × 510,235.20
  4. Step 4: Simplify right side
    872,881.51x = 614,525,172,710.98
  5. Step 5: Solve for x
    x = 614,525,172,710.98/872,881.51
  6. Step 6: Final answer
    x = 704,019.01

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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.