Home / 1,095,417.60-1,643,126.40-386,246.40

Finding the Fourth Proportional to 1,095,417.60, 1,643,126.40 and 386,246.40

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Solution

The fourth proportional to 1,095,417.60, 1,643,126.40 and 386,246.40 is: 579,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,417.60 : 1,643,126.40 = 386,246.40 : x
  2. Step 2: Convert to fraction form
    1,095,417.60/1,643,126.40 = 386,246.40/x
  3. Step 3: Cross multiply
    1,095,417.60x = 1,643,126.40 × 386,246.40
  4. Step 4: Simplify right side
    1,095,417.60x = 634,651,656,744.96
  5. Step 5: Solve for x
    x = 634,651,656,744.96/1,095,417.60
  6. Step 6: Final answer
    x = 579,369.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.