Home / 1,360,606.76-1,877,214.62-771,809.15

Finding the Fourth Proportional to 1,360,606.76, 1,877,214.62 and 771,809.15

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Solution

The fourth proportional to 1,360,606.76, 1,877,214.62 and 771,809.15 is: 1,064,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,606.76 : 1,877,214.62 = 771,809.15 : x
  2. Step 2: Convert to fraction form
    1,360,606.76/1,877,214.62 = 771,809.15/x
  3. Step 3: Cross multiply
    1,360,606.76x = 1,877,214.62 × 771,809.15
  4. Step 4: Simplify right side
    1,360,606.76x = 1,448,851,426,852.33
  5. Step 5: Solve for x
    x = 1,448,851,426,852.33/1,360,606.76
  6. Step 6: Final answer
    x = 1,064,856.85

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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.