Home / 840,783.95-1,160,306.35-458,835.33

Finding the Fourth Proportional to 840,783.95, 1,160,306.35 and 458,835.33

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Solution

The fourth proportional to 840,783.95, 1,160,306.35 and 458,835.33 is: 633,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,783.95 : 1,160,306.35 = 458,835.33 : x
  2. Step 2: Convert to fraction form
    840,783.95/1,160,306.35 = 458,835.33/x
  3. Step 3: Cross multiply
    840,783.95x = 1,160,306.35 × 458,835.33
  4. Step 4: Simplify right side
    840,783.95x = 532,389,547,003.35
  5. Step 5: Solve for x
    x = 532,389,547,003.35/840,783.95
  6. Step 6: Final answer
    x = 633,206.13

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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.