Home / 1,249,330.82-1,872,799.04-528,681.18

Finding the Fourth Proportional to 1,249,330.82, 1,872,799.04 and 528,681.18

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Solution

The fourth proportional to 1,249,330.82, 1,872,799.04 and 528,681.18 is: 792,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,330.82 : 1,872,799.04 = 528,681.18 : x
  2. Step 2: Convert to fraction form
    1,249,330.82/1,872,799.04 = 528,681.18/x
  3. Step 3: Cross multiply
    1,249,330.82x = 1,872,799.04 × 528,681.18
  4. Step 4: Simplify right side
    1,249,330.82x = 990,113,597,006.07
  5. Step 5: Solve for x
    x = 990,113,597,006.07/1,249,330.82
  6. Step 6: Final answer
    x = 792,515.15

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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.