Home / 717,237.43-1,075,048.77-312,770.01

Finding the Fourth Proportional to 717,237.43, 1,075,048.77 and 312,770.01

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Solution

The fourth proportional to 717,237.43, 1,075,048.77 and 312,770.01 is: 468,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,237.43 : 1,075,048.77 = 312,770.01 : x
  2. Step 2: Convert to fraction form
    717,237.43/1,075,048.77 = 312,770.01/x
  3. Step 3: Cross multiply
    717,237.43x = 1,075,048.77 × 312,770.01
  4. Step 4: Simplify right side
    717,237.43x = 336,243,014,543.39
  5. Step 5: Solve for x
    x = 336,243,014,543.39/717,237.43
  6. Step 6: Final answer
    x = 468,802.94

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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.