Home / 1,242,886.40-1,864,368.48-401,445.44

Finding the Fourth Proportional to 1,242,886.40, 1,864,368.48 and 401,445.44

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Solution

The fourth proportional to 1,242,886.40, 1,864,368.48 and 401,445.44 is: 602,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,886.40 : 1,864,368.48 = 401,445.44 : x
  2. Step 2: Convert to fraction form
    1,242,886.40/1,864,368.48 = 401,445.44/x
  3. Step 3: Cross multiply
    1,242,886.40x = 1,864,368.48 × 401,445.44
  4. Step 4: Simplify right side
    1,242,886.40x = 748,442,224,775.73
  5. Step 5: Solve for x
    x = 748,442,224,775.73/1,242,886.40
  6. Step 6: Final answer
    x = 602,180.72

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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.