Home / 1,267,681.92-1,901,483.84-519,164.16

Finding the Fourth Proportional to 1,267,681.92, 1,901,483.84 and 519,164.16

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Solution

The fourth proportional to 1,267,681.92, 1,901,483.84 and 519,164.16 is: 778,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,681.92 : 1,901,483.84 = 519,164.16 : x
  2. Step 2: Convert to fraction form
    1,267,681.92/1,901,483.84 = 519,164.16/x
  3. Step 3: Cross multiply
    1,267,681.92x = 1,901,483.84 × 519,164.16
  4. Step 4: Simplify right side
    1,267,681.92x = 987,182,260,547.18
  5. Step 5: Solve for x
    x = 987,182,260,547.18/1,267,681.92
  6. Step 6: Final answer
    x = 778,730.25

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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.