Home / 1,065,315.84-1,470,127.10-581,881.28

Finding the Fourth Proportional to 1,065,315.84, 1,470,127.10 and 581,881.28

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Solution

The fourth proportional to 1,065,315.84, 1,470,127.10 and 581,881.28 is: 802,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,315.84 : 1,470,127.10 = 581,881.28 : x
  2. Step 2: Convert to fraction form
    1,065,315.84/1,470,127.10 = 581,881.28/x
  3. Step 3: Cross multiply
    1,065,315.84x = 1,470,127.10 × 581,881.28
  4. Step 4: Simplify right side
    1,065,315.84x = 855,439,438,710.69
  5. Step 5: Solve for x
    x = 855,439,438,710.69/1,065,315.84
  6. Step 6: Final answer
    x = 802,991.38

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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.