Home / 821,590.59-1,133,774.12-459,017.16

Finding the Fourth Proportional to 821,590.59, 1,133,774.12 and 459,017.16

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Solution

The fourth proportional to 821,590.59, 1,133,774.12 and 459,017.16 is: 633,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,590.59 : 1,133,774.12 = 459,017.16 : x
  2. Step 2: Convert to fraction form
    821,590.59/1,133,774.12 = 459,017.16/x
  3. Step 3: Cross multiply
    821,590.59x = 1,133,774.12 × 459,017.16
  4. Step 4: Simplify right side
    821,590.59x = 520,421,774,348.81
  5. Step 5: Solve for x
    x = 520,421,774,348.81/821,590.59
  6. Step 6: Final answer
    x = 633,432.00

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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.