Home / 917,077.14-1,263,484.64-709,632.23

Finding the Fourth Proportional to 917,077.14, 1,263,484.64 and 709,632.23

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Solution

The fourth proportional to 917,077.14, 1,263,484.64 and 709,632.23 is: 977,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,077.14 : 1,263,484.64 = 709,632.23 : x
  2. Step 2: Convert to fraction form
    917,077.14/1,263,484.64 = 709,632.23/x
  3. Step 3: Cross multiply
    917,077.14x = 1,263,484.64 × 709,632.23
  4. Step 4: Simplify right side
    917,077.14x = 896,609,418,110.61
  5. Step 5: Solve for x
    x = 896,609,418,110.61/917,077.14
  6. Step 6: Final answer
    x = 977,681.57

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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.