Home / 779,598.09-1,076,877.87-627,210.36

Finding the Fourth Proportional to 779,598.09, 1,076,877.87 and 627,210.36

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Solution

The fourth proportional to 779,598.09, 1,076,877.87 and 627,210.36 is: 866,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,598.09 : 1,076,877.87 = 627,210.36 : x
  2. Step 2: Convert to fraction form
    779,598.09/1,076,877.87 = 627,210.36/x
  3. Step 3: Cross multiply
    779,598.09x = 1,076,877.87 × 627,210.36
  4. Step 4: Simplify right side
    779,598.09x = 675,428,956,518.73
  5. Step 5: Solve for x
    x = 675,428,956,518.73/779,598.09
  6. Step 6: Final answer
    x = 866,380.98

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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.