Home / 916,601.40-1,265,062.08-534,628.20

Finding the Fourth Proportional to 916,601.40, 1,265,062.08 and 534,628.20

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Solution

The fourth proportional to 916,601.40, 1,265,062.08 and 534,628.20 is: 737,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,601.40 : 1,265,062.08 = 534,628.20 : x
  2. Step 2: Convert to fraction form
    916,601.40/1,265,062.08 = 534,628.20/x
  3. Step 3: Cross multiply
    916,601.40x = 1,265,062.08 × 534,628.20
  4. Step 4: Simplify right side
    916,601.40x = 676,337,862,718.66
  5. Step 5: Solve for x
    x = 676,337,862,718.66/916,601.40
  6. Step 6: Final answer
    x = 737,875.66

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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.