Home / 698,723.84-1,048,307.21-249,434.77

Finding the Fourth Proportional to 698,723.84, 1,048,307.21 and 249,434.77

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Solution

The fourth proportional to 698,723.84, 1,048,307.21 and 249,434.77 is: 374,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,723.84 : 1,048,307.21 = 249,434.77 : x
  2. Step 2: Convert to fraction form
    698,723.84/1,048,307.21 = 249,434.77/x
  3. Step 3: Cross multiply
    698,723.84x = 1,048,307.21 × 249,434.77
  4. Step 4: Simplify right side
    698,723.84x = 261,484,265,818.51
  5. Step 5: Solve for x
    x = 261,484,265,818.51/698,723.84
  6. Step 6: Final answer
    x = 374,231.21

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Double scale
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Similar ratio
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1.5x scale

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.