Home / 771,862.58-1,065,170.34-470,056.58

Finding the Fourth Proportional to 771,862.58, 1,065,170.34 and 470,056.58

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Solution

The fourth proportional to 771,862.58, 1,065,170.34 and 470,056.58 is: 648,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,862.58 : 1,065,170.34 = 470,056.58 : x
  2. Step 2: Convert to fraction form
    771,862.58/1,065,170.34 = 470,056.58/x
  3. Step 3: Cross multiply
    771,862.58x = 1,065,170.34 × 470,056.58
  4. Step 4: Simplify right side
    771,862.58x = 500,690,327,137.84
  5. Step 5: Solve for x
    x = 500,690,327,137.84/771,862.58
  6. Step 6: Final answer
    x = 648,678.07

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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.