Home / 877,062.16-1,210,343.40-474,654.16

Finding the Fourth Proportional to 877,062.16, 1,210,343.40 and 474,654.16

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Solution

The fourth proportional to 877,062.16, 1,210,343.40 and 474,654.16 is: 655,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,062.16 : 1,210,343.40 = 474,654.16 : x
  2. Step 2: Convert to fraction form
    877,062.16/1,210,343.40 = 474,654.16/x
  3. Step 3: Cross multiply
    877,062.16x = 1,210,343.40 × 474,654.16
  4. Step 4: Simplify right side
    877,062.16x = 574,494,529,838.54
  5. Step 5: Solve for x
    x = 574,494,529,838.54/877,062.16
  6. Step 6: Final answer
    x = 655,021.45

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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.