Home / 746,821.51-1,030,436.54-424,506.23

Finding the Fourth Proportional to 746,821.51, 1,030,436.54 and 424,506.23

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Solution

The fourth proportional to 746,821.51, 1,030,436.54 and 424,506.23 is: 585,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,821.51 : 1,030,436.54 = 424,506.23 : x
  2. Step 2: Convert to fraction form
    746,821.51/1,030,436.54 = 424,506.23/x
  3. Step 3: Cross multiply
    746,821.51x = 1,030,436.54 × 424,506.23
  4. Step 4: Simplify right side
    746,821.51x = 437,426,731,303.20
  5. Step 5: Solve for x
    x = 437,426,731,303.20/746,821.51
  6. Step 6: Final answer
    x = 585,717.91

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Double scale
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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.