Home / 1,153,645.65-1,592,047.70-637,411.42

Finding the Fourth Proportional to 1,153,645.65, 1,592,047.70 and 637,411.42

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Solution

The fourth proportional to 1,153,645.65, 1,592,047.70 and 637,411.42 is: 879,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,645.65 : 1,592,047.70 = 637,411.42 : x
  2. Step 2: Convert to fraction form
    1,153,645.65/1,592,047.70 = 637,411.42/x
  3. Step 3: Cross multiply
    1,153,645.65x = 1,592,047.70 × 637,411.42
  4. Step 4: Simplify right side
    1,153,645.65x = 1,014,789,385,164.73
  5. Step 5: Solve for x
    x = 1,014,789,385,164.73/1,153,645.65
  6. Step 6: Final answer
    x = 879,636.99

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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.