Home / 703,430.40-971,174.16-541,979.04

Finding the Fourth Proportional to 703,430.40, 971,174.16 and 541,979.04

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Solution

The fourth proportional to 703,430.40, 971,174.16 and 541,979.04 is: 748,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,430.40 : 971,174.16 = 541,979.04 : x
  2. Step 2: Convert to fraction form
    703,430.40/971,174.16 = 541,979.04/x
  3. Step 3: Cross multiply
    703,430.40x = 971,174.16 × 541,979.04
  4. Step 4: Simplify right side
    703,430.40x = 526,356,038,909.61
  5. Step 5: Solve for x
    x = 526,356,038,909.61/703,430.40
  6. Step 6: Final answer
    x = 748,270.25

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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.