Home / 859,386.04-1,185,951.90-477,448.60

Finding the Fourth Proportional to 859,386.04, 1,185,951.90 and 477,448.60

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Solution

The fourth proportional to 859,386.04, 1,185,951.90 and 477,448.60 is: 658,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,386.04 : 1,185,951.90 = 477,448.60 : x
  2. Step 2: Convert to fraction form
    859,386.04/1,185,951.90 = 477,448.60/x
  3. Step 3: Cross multiply
    859,386.04x = 1,185,951.90 × 477,448.60
  4. Step 4: Simplify right side
    859,386.04x = 566,231,074,322.34
  5. Step 5: Solve for x
    x = 566,231,074,322.34/859,386.04
  6. Step 6: Final answer
    x = 658,878.60

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Double scale
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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.