Home / 1,687,802.10-2,531,430.27-623,345.46

Finding the Fourth Proportional to 1,687,802.10, 2,531,430.27 and 623,345.46

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Solution

The fourth proportional to 1,687,802.10, 2,531,430.27 and 623,345.46 is: 934,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,802.10 : 2,531,430.27 = 623,345.46 : x
  2. Step 2: Convert to fraction form
    1,687,802.10/2,531,430.27 = 623,345.46/x
  3. Step 3: Cross multiply
    1,687,802.10x = 2,531,430.27 × 623,345.46
  4. Step 4: Simplify right side
    1,687,802.10x = 1,577,955,566,111.07
  5. Step 5: Solve for x
    x = 1,577,955,566,111.07/1,687,802.10
  6. Step 6: Final answer
    x = 934,917.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.