Home / 708,894.47-977,721.45-454,269.35

Finding the Fourth Proportional to 708,894.47, 977,721.45 and 454,269.35

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Solution

The fourth proportional to 708,894.47, 977,721.45 and 454,269.35 is: 626,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,894.47 : 977,721.45 = 454,269.35 : x
  2. Step 2: Convert to fraction form
    708,894.47/977,721.45 = 454,269.35/x
  3. Step 3: Cross multiply
    708,894.47x = 977,721.45 × 454,269.35
  4. Step 4: Simplify right side
    708,894.47x = 444,148,887,572.56
  5. Step 5: Solve for x
    x = 444,148,887,572.56/708,894.47
  6. Step 6: Final answer
    x = 626,537.39

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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.