Home / 1,118,956.69-1,678,433.51-519,590.10

Finding the Fourth Proportional to 1,118,956.69, 1,678,433.51 and 519,590.10

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Solution

The fourth proportional to 1,118,956.69, 1,678,433.51 and 519,590.10 is: 779,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,956.69 : 1,678,433.51 = 519,590.10 : x
  2. Step 2: Convert to fraction form
    1,118,956.69/1,678,433.51 = 519,590.10/x
  3. Step 3: Cross multiply
    1,118,956.69x = 1,678,433.51 × 519,590.10
  4. Step 4: Simplify right side
    1,118,956.69x = 872,097,435,304.25
  5. Step 5: Solve for x
    x = 872,097,435,304.25/1,118,956.69
  6. Step 6: Final answer
    x = 779,384.45

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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.