Home / 917,082.16-1,263,491.54-709,637.24

Finding the Fourth Proportional to 917,082.16, 1,263,491.54 and 709,637.24

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Solution

The fourth proportional to 917,082.16, 1,263,491.54 and 709,637.24 is: 977,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,082.16 : 1,263,491.54 = 709,637.24 : x
  2. Step 2: Convert to fraction form
    917,082.16/1,263,491.54 = 709,637.24/x
  3. Step 3: Cross multiply
    917,082.16x = 1,263,491.54 × 709,637.24
  4. Step 4: Simplify right side
    917,082.16x = 896,620,649,208.95
  5. Step 5: Solve for x
    x = 896,620,649,208.95/917,082.16
  6. Step 6: Final answer
    x = 977,688.46

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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.