Home / 1,282,875.84-1,771,830.72-874,272.96

Finding the Fourth Proportional to 1,282,875.84, 1,771,830.72 and 874,272.96

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Solution

The fourth proportional to 1,282,875.84, 1,771,830.72 and 874,272.96 is: 1,207,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,875.84 : 1,771,830.72 = 874,272.96 : x
  2. Step 2: Convert to fraction form
    1,282,875.84/1,771,830.72 = 874,272.96/x
  3. Step 3: Cross multiply
    1,282,875.84x = 1,771,830.72 × 874,272.96
  4. Step 4: Simplify right side
    1,282,875.84x = 1,549,063,688,193.33
  5. Step 5: Solve for x
    x = 1,549,063,688,193.33/1,282,875.84
  6. Step 6: Final answer
    x = 1,207,493.07

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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.