Home / 917,075.03-1,263,481.75-709,630.18

Finding the Fourth Proportional to 917,075.03, 1,263,481.75 and 709,630.18

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Solution

The fourth proportional to 917,075.03, 1,263,481.75 and 709,630.18 is: 977,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,075.03 : 1,263,481.75 = 709,630.18 : x
  2. Step 2: Convert to fraction form
    917,075.03/1,263,481.75 = 709,630.18/x
  3. Step 3: Cross multiply
    917,075.03x = 1,263,481.75 × 709,630.18
  4. Step 4: Simplify right side
    917,075.03x = 896,604,781,679.22
  5. Step 5: Solve for x
    x = 896,604,781,679.22/917,075.03
  6. Step 6: Final answer
    x = 977,678.76

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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.