Home / 875,730.78-1,314,088.29-476,399.52

Finding the Fourth Proportional to 875,730.78, 1,314,088.29 and 476,399.52

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Solution

The fourth proportional to 875,730.78, 1,314,088.29 and 476,399.52 is: 714,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,730.78 : 1,314,088.29 = 476,399.52 : x
  2. Step 2: Convert to fraction form
    875,730.78/1,314,088.29 = 476,399.52/x
  3. Step 3: Cross multiply
    875,730.78x = 1,314,088.29 × 476,399.52
  4. Step 4: Simplify right side
    875,730.78x = 626,031,030,593.62
  5. Step 5: Solve for x
    x = 626,031,030,593.62/875,730.78
  6. Step 6: Final answer
    x = 714,866.99

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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.