Home / 1,064,421.44-1,468,865.12-634,480

Finding the Fourth Proportional to 1,064,421.44, 1,468,865.12 and 634,480

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Solution

The fourth proportional to 1,064,421.44, 1,468,865.12 and 634,480 is: 875,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,421.44 : 1,468,865.12 = 634,480 : x
  2. Step 2: Convert to fraction form
    1,064,421.44/1,468,865.12 = 634,480/x
  3. Step 3: Cross multiply
    1,064,421.44x = 1,468,865.12 × 634,480
  4. Step 4: Simplify right side
    1,064,421.44x = 931,965,541,337.60
  5. Step 5: Solve for x
    x = 931,965,541,337.60/1,064,421.44
  6. Step 6: Final answer
    x = 875,560.66

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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.