Home / 983,975.76-1,357,818.12-581,490

Finding the Fourth Proportional to 983,975.76, 1,357,818.12 and 581,490

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Solution

The fourth proportional to 983,975.76, 1,357,818.12 and 581,490 is: 802,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,975.76 : 1,357,818.12 = 581,490 : x
  2. Step 2: Convert to fraction form
    983,975.76/1,357,818.12 = 581,490/x
  3. Step 3: Cross multiply
    983,975.76x = 1,357,818.12 × 581,490
  4. Step 4: Simplify right side
    983,975.76x = 789,557,658,598.80
  5. Step 5: Solve for x
    x = 789,557,658,598.80/983,975.76
  6. Step 6: Final answer
    x = 802,415.76

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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.