Home / 1,186,707.96-1,637,254.13-670,386.42

Finding the Fourth Proportional to 1,186,707.96, 1,637,254.13 and 670,386.42

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Solution

The fourth proportional to 1,186,707.96, 1,637,254.13 and 670,386.42 is: 924,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,707.96 : 1,637,254.13 = 670,386.42 : x
  2. Step 2: Convert to fraction form
    1,186,707.96/1,637,254.13 = 670,386.42/x
  3. Step 3: Cross multiply
    1,186,707.96x = 1,637,254.13 × 670,386.42
  4. Step 4: Simplify right side
    1,186,707.96x = 1,097,592,934,840.91
  5. Step 5: Solve for x
    x = 1,097,592,934,840.91/1,186,707.96
  6. Step 6: Final answer
    x = 924,905.68

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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.