Home / 1,152,407.07-1,590,312.56-669,017.07

Finding the Fourth Proportional to 1,152,407.07, 1,590,312.56 and 669,017.07

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Solution

The fourth proportional to 1,152,407.07, 1,590,312.56 and 669,017.07 is: 923,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,407.07 : 1,590,312.56 = 669,017.07 : x
  2. Step 2: Convert to fraction form
    1,152,407.07/1,590,312.56 = 669,017.07/x
  3. Step 3: Cross multiply
    1,152,407.07x = 1,590,312.56 × 669,017.07
  4. Step 4: Simplify right side
    1,152,407.07x = 1,063,946,245,930.31
  5. Step 5: Solve for x
    x = 1,063,946,245,930.31/1,152,407.07
  6. Step 6: Final answer
    x = 923,238.21

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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.