Home / 1,249,331.31-1,872,799.79-528,681.67

Finding the Fourth Proportional to 1,249,331.31, 1,872,799.79 and 528,681.67

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Solution

The fourth proportional to 1,249,331.31, 1,872,799.79 and 528,681.67 is: 792,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,331.31 : 1,872,799.79 = 528,681.67 : x
  2. Step 2: Convert to fraction form
    1,249,331.31/1,872,799.79 = 528,681.67/x
  3. Step 3: Cross multiply
    1,249,331.31x = 1,872,799.79 × 528,681.67
  4. Step 4: Simplify right side
    1,249,331.31x = 990,114,920,552.85
  5. Step 5: Solve for x
    x = 990,114,920,552.85/1,249,331.31
  6. Step 6: Final answer
    x = 792,515.89

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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.