Home / 740,084.34-1,021,341.15-453,549.07

Finding the Fourth Proportional to 740,084.34, 1,021,341.15 and 453,549.07

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Solution

The fourth proportional to 740,084.34, 1,021,341.15 and 453,549.07 is: 625,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,084.34 : 1,021,341.15 = 453,549.07 : x
  2. Step 2: Convert to fraction form
    740,084.34/1,021,341.15 = 453,549.07/x
  3. Step 3: Cross multiply
    740,084.34x = 1,021,341.15 × 453,549.07
  4. Step 4: Simplify right side
    740,084.34x = 463,228,330,011.91
  5. Step 5: Solve for x
    x = 463,228,330,011.91/740,084.34
  6. Step 6: Final answer
    x = 625,912.89

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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.