Home / 1,017,470.40-1,526,421.48-386,370.24

Finding the Fourth Proportional to 1,017,470.40, 1,526,421.48 and 386,370.24

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Solution

The fourth proportional to 1,017,470.40, 1,526,421.48 and 386,370.24 is: 579,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,470.40 : 1,526,421.48 = 386,370.24 : x
  2. Step 2: Convert to fraction form
    1,017,470.40/1,526,421.48 = 386,370.24/x
  3. Step 3: Cross multiply
    1,017,470.40x = 1,526,421.48 × 386,370.24
  4. Step 4: Simplify right side
    1,017,470.40x = 589,763,833,568.76
  5. Step 5: Solve for x
    x = 589,763,833,568.76/1,017,470.40
  6. Step 6: Final answer
    x = 579,637.34

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Double scale
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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.