Home / 916,638.48-1,265,230.80-594,368.64

Finding the Fourth Proportional to 916,638.48, 1,265,230.80 and 594,368.64

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Solution

The fourth proportional to 916,638.48, 1,265,230.80 and 594,368.64 is: 820,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,638.48 : 1,265,230.80 = 594,368.64 : x
  2. Step 2: Convert to fraction form
    916,638.48/1,265,230.80 = 594,368.64/x
  3. Step 3: Cross multiply
    916,638.48x = 1,265,230.80 × 594,368.64
  4. Step 4: Simplify right side
    916,638.48x = 752,013,509,882.11
  5. Step 5: Solve for x
    x = 752,013,509,882.11/916,638.48
  6. Step 6: Final answer
    x = 820,403.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.