Home / 1,022,398.18-1,533,597.26-312,420.06

Finding the Fourth Proportional to 1,022,398.18, 1,533,597.26 and 312,420.06

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Solution

The fourth proportional to 1,022,398.18, 1,533,597.26 and 312,420.06 is: 468,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,398.18 : 1,533,597.26 = 312,420.06 : x
  2. Step 2: Convert to fraction form
    1,022,398.18/1,533,597.26 = 312,420.06/x
  3. Step 3: Cross multiply
    1,022,398.18x = 1,533,597.26 × 312,420.06
  4. Step 4: Simplify right side
    1,022,398.18x = 479,126,547,985.04
  5. Step 5: Solve for x
    x = 479,126,547,985.04/1,022,398.18
  6. Step 6: Final answer
    x = 468,630.09

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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.