Home / 887,430.60-1,330,368.30-532,067.40

Finding the Fourth Proportional to 887,430.60, 1,330,368.30 and 532,067.40

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Solution

The fourth proportional to 887,430.60, 1,330,368.30 and 532,067.40 is: 797,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,430.60 : 1,330,368.30 = 532,067.40 : x
  2. Step 2: Convert to fraction form
    887,430.60/1,330,368.30 = 532,067.40/x
  3. Step 3: Cross multiply
    887,430.60x = 1,330,368.30 × 532,067.40
  4. Step 4: Simplify right side
    887,430.60x = 707,845,602,423.42
  5. Step 5: Solve for x
    x = 707,845,602,423.42/887,430.60
  6. Step 6: Final answer
    x = 797,634.88

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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.