Home / 877,335.74-1,210,731.66-514,765.76

Finding the Fourth Proportional to 877,335.74, 1,210,731.66 and 514,765.76

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Solution

The fourth proportional to 877,335.74, 1,210,731.66 and 514,765.76 is: 710,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,335.74 : 1,210,731.66 = 514,765.76 : x
  2. Step 2: Convert to fraction form
    877,335.74/1,210,731.66 = 514,765.76/x
  3. Step 3: Cross multiply
    877,335.74x = 1,210,731.66 × 514,765.76
  4. Step 4: Simplify right side
    877,335.74x = 623,243,203,115.96
  5. Step 5: Solve for x
    x = 623,243,203,115.96/877,335.74
  6. Step 6: Final answer
    x = 710,381.64

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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.