Home / 1,153,656.39-1,592,077.93-637,443.55

Finding the Fourth Proportional to 1,153,656.39, 1,592,077.93 and 637,443.55

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Solution

The fourth proportional to 1,153,656.39, 1,592,077.93 and 637,443.55 is: 879,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,656.39 : 1,592,077.93 = 637,443.55 : x
  2. Step 2: Convert to fraction form
    1,153,656.39/1,592,077.93 = 637,443.55/x
  3. Step 3: Cross multiply
    1,153,656.39x = 1,592,077.93 × 637,443.55
  4. Step 4: Simplify right side
    1,153,656.39x = 1,014,859,802,002.05
  5. Step 5: Solve for x
    x = 1,014,859,802,002.05/1,153,656.39
  6. Step 6: Final answer
    x = 879,689.84

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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.