Home / 1,286,094.36-1,929,888.89-576,122.40

Finding the Fourth Proportional to 1,286,094.36, 1,929,888.89 and 576,122.40

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Solution

The fourth proportional to 1,286,094.36, 1,929,888.89 and 576,122.40 is: 864,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,094.36 : 1,929,888.89 = 576,122.40 : x
  2. Step 2: Convert to fraction form
    1,286,094.36/1,929,888.89 = 576,122.40/x
  3. Step 3: Cross multiply
    1,286,094.36x = 1,929,888.89 × 576,122.40
  4. Step 4: Simplify right side
    1,286,094.36x = 1,111,852,216,159.52
  5. Step 5: Solve for x
    x = 1,111,852,216,159.52/1,286,094.36
  6. Step 6: Final answer
    x = 864,518.38

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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.