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Finding the Fourth Proportional to 1,237,798.02, 1,708,720.80 and 779,586

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Solution

The fourth proportional to 1,237,798.02, 1,708,720.80 and 779,586 is: 1,076,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,798.02 : 1,708,720.80 = 779,586 : x
  2. Step 2: Convert to fraction form
    1,237,798.02/1,708,720.80 = 779,586/x
  3. Step 3: Cross multiply
    1,237,798.02x = 1,708,720.80 × 779,586
  4. Step 4: Simplify right side
    1,237,798.02x = 1,332,094,813,588.80
  5. Step 5: Solve for x
    x = 1,332,094,813,588.80/1,237,798.02
  6. Step 6: Final answer
    x = 1,076,181.08

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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.