Home / 917,077.03-1,263,484.51-709,632.18

Finding the Fourth Proportional to 917,077.03, 1,263,484.51 and 709,632.18

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Solution

The fourth proportional to 917,077.03, 1,263,484.51 and 709,632.18 is: 977,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,077.03 : 1,263,484.51 = 709,632.18 : x
  2. Step 2: Convert to fraction form
    917,077.03/1,263,484.51 = 709,632.18/x
  3. Step 3: Cross multiply
    917,077.03x = 1,263,484.51 × 709,632.18
  4. Step 4: Simplify right side
    917,077.03x = 896,609,267,227.53
  5. Step 5: Solve for x
    x = 896,609,267,227.53/917,077.03
  6. Step 6: Final answer
    x = 977,681.52

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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.