Home / 1,038,133.60-1,557,419.10-328,233.40

Finding the Fourth Proportional to 1,038,133.60, 1,557,419.10 and 328,233.40

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Solution

The fourth proportional to 1,038,133.60, 1,557,419.10 and 328,233.40 is: 492,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,133.60 : 1,557,419.10 = 328,233.40 : x
  2. Step 2: Convert to fraction form
    1,038,133.60/1,557,419.10 = 328,233.40/x
  3. Step 3: Cross multiply
    1,038,133.60x = 1,557,419.10 × 328,233.40
  4. Step 4: Simplify right side
    1,038,133.60x = 511,196,966,417.94
  5. Step 5: Solve for x
    x = 511,196,966,417.94/1,038,133.60
  6. Step 6: Final answer
    x = 492,419.25

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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.