Home / 1,186,707.71-1,637,253.79-670,386.17

Finding the Fourth Proportional to 1,186,707.71, 1,637,253.79 and 670,386.17

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Solution

The fourth proportional to 1,186,707.71, 1,637,253.79 and 670,386.17 is: 924,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,707.71 : 1,637,253.79 = 670,386.17 : x
  2. Step 2: Convert to fraction form
    1,186,707.71/1,637,253.79 = 670,386.17/x
  3. Step 3: Cross multiply
    1,186,707.71x = 1,637,253.79 × 670,386.17
  4. Step 4: Simplify right side
    1,186,707.71x = 1,097,592,287,733.85
  5. Step 5: Solve for x
    x = 1,097,592,287,733.85/1,186,707.71
  6. Step 6: Final answer
    x = 924,905.34

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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.