Home / 1,312,276.50-1,810,941.66-708,664.50

Finding the Fourth Proportional to 1,312,276.50, 1,810,941.66 and 708,664.50

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Solution

The fourth proportional to 1,312,276.50, 1,810,941.66 and 708,664.50 is: 977,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,276.50 : 1,810,941.66 = 708,664.50 : x
  2. Step 2: Convert to fraction form
    1,312,276.50/1,810,941.66 = 708,664.50/x
  3. Step 3: Cross multiply
    1,312,276.50x = 1,810,941.66 × 708,664.50
  4. Step 4: Simplify right side
    1,312,276.50x = 1,283,350,066,013.07
  5. Step 5: Solve for x
    x = 1,283,350,066,013.07/1,312,276.50
  6. Step 6: Final answer
    x = 977,957.06

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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.