Home / 993,585.12-1,371,140.64-540,875.04

Finding the Fourth Proportional to 993,585.12, 1,371,140.64 and 540,875.04

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Solution

The fourth proportional to 993,585.12, 1,371,140.64 and 540,875.04 is: 746,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,585.12 : 1,371,140.64 = 540,875.04 : x
  2. Step 2: Convert to fraction form
    993,585.12/1,371,140.64 = 540,875.04/x
  3. Step 3: Cross multiply
    993,585.12x = 1,371,140.64 × 540,875.04
  4. Step 4: Simplify right side
    993,585.12x = 741,615,748,505.63
  5. Step 5: Solve for x
    x = 741,615,748,505.63/993,585.12
  6. Step 6: Final answer
    x = 746,403.84

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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.