Home / 779,607.18-1,076,117.00-457,199.64

Finding the Fourth Proportional to 779,607.18, 1,076,117.00 and 457,199.64

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Solution

The fourth proportional to 779,607.18, 1,076,117.00 and 457,199.64 is: 631,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,607.18 : 1,076,117.00 = 457,199.64 : x
  2. Step 2: Convert to fraction form
    779,607.18/1,076,117.00 = 457,199.64/x
  3. Step 3: Cross multiply
    779,607.18x = 1,076,117.00 × 457,199.64
  4. Step 4: Simplify right side
    779,607.18x = 492,000,302,711.88
  5. Step 5: Solve for x
    x = 492,000,302,711.88/779,607.18
  6. Step 6: Final answer
    x = 631,087.44

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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.