Home / 750,681.46-1,127,145.76-649,792.42

Finding the Fourth Proportional to 750,681.46, 1,127,145.76 and 649,792.42

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Solution

The fourth proportional to 750,681.46, 1,127,145.76 and 649,792.42 is: 975,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,681.46 : 1,127,145.76 = 649,792.42 : x
  2. Step 2: Convert to fraction form
    750,681.46/1,127,145.76 = 649,792.42/x
  3. Step 3: Cross multiply
    750,681.46x = 1,127,145.76 × 649,792.42
  4. Step 4: Simplify right side
    750,681.46x = 732,410,771,083.14
  5. Step 5: Solve for x
    x = 732,410,771,083.14/750,681.46
  6. Step 6: Final answer
    x = 975,661.20

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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.