Home / 1,047,742.40-1,572,304.80-382,894.40

Finding the Fourth Proportional to 1,047,742.40, 1,572,304.80 and 382,894.40

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Solution

The fourth proportional to 1,047,742.40, 1,572,304.80 and 382,894.40 is: 574,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,742.40 : 1,572,304.80 = 382,894.40 : x
  2. Step 2: Convert to fraction form
    1,047,742.40/1,572,304.80 = 382,894.40/x
  3. Step 3: Cross multiply
    1,047,742.40x = 1,572,304.80 × 382,894.40
  4. Step 4: Simplify right side
    1,047,742.40x = 602,026,703,013.12
  5. Step 5: Solve for x
    x = 602,026,703,013.12/1,047,742.40
  6. Step 6: Final answer
    x = 574,594.20

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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.