Home / 1,094,574.80-1,641,862.20-385,403.60

Finding the Fourth Proportional to 1,094,574.80, 1,641,862.20 and 385,403.60

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Solution

The fourth proportional to 1,094,574.80, 1,641,862.20 and 385,403.60 is: 578,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,574.80 : 1,641,862.20 = 385,403.60 : x
  2. Step 2: Convert to fraction form
    1,094,574.80/1,641,862.20 = 385,403.60/x
  3. Step 3: Cross multiply
    1,094,574.80x = 1,641,862.20 × 385,403.60
  4. Step 4: Simplify right side
    1,094,574.80x = 632,779,602,583.92
  5. Step 5: Solve for x
    x = 632,779,602,583.92/1,094,574.80
  6. Step 6: Final answer
    x = 578,105.40

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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.