Home / 709,946.20-1,065,437.70-499,994.20

Finding the Fourth Proportional to 709,946.20, 1,065,437.70 and 499,994.20

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Solution

The fourth proportional to 709,946.20, 1,065,437.70 and 499,994.20 is: 750,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,946.20 : 1,065,437.70 = 499,994.20 : x
  2. Step 2: Convert to fraction form
    709,946.20/1,065,437.70 = 499,994.20/x
  3. Step 3: Cross multiply
    709,946.20x = 1,065,437.70 × 499,994.20
  4. Step 4: Simplify right side
    709,946.20x = 532,712,670,461.34
  5. Step 5: Solve for x
    x = 532,712,670,461.34/709,946.20
  6. Step 6: Final answer
    x = 750,356.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.