Home / 927,875.83-1,280,408.02-545,828.80

Finding the Fourth Proportional to 927,875.83, 1,280,408.02 and 545,828.80

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Solution

The fourth proportional to 927,875.83, 1,280,408.02 and 545,828.80 is: 753,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,875.83 : 1,280,408.02 = 545,828.80 : x
  2. Step 2: Convert to fraction form
    927,875.83/1,280,408.02 = 545,828.80/x
  3. Step 3: Cross multiply
    927,875.83x = 1,280,408.02 × 545,828.80
  4. Step 4: Simplify right side
    927,875.83x = 698,883,573,066.98
  5. Step 5: Solve for x
    x = 698,883,573,066.98/927,875.83
  6. Step 6: Final answer
    x = 753,208.08

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1.5x scale

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.