Home / 877,055.96-1,210,337.21-474,647.96

Finding the Fourth Proportional to 877,055.96, 1,210,337.21 and 474,647.96

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Solution

The fourth proportional to 877,055.96, 1,210,337.21 and 474,647.96 is: 655,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,055.96 : 1,210,337.21 = 474,647.96 : x
  2. Step 2: Convert to fraction form
    877,055.96/1,210,337.21 = 474,647.96/x
  3. Step 3: Cross multiply
    877,055.96x = 1,210,337.21 × 474,647.96
  4. Step 4: Simplify right side
    877,055.96x = 574,484,087,638.59
  5. Step 5: Solve for x
    x = 574,484,087,638.59/877,055.96
  6. Step 6: Final answer
    x = 655,014.18

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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.