Home / 819,724.59-1,130,833.85-533,140.11

Finding the Fourth Proportional to 819,724.59, 1,130,833.85 and 533,140.11

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Solution

The fourth proportional to 819,724.59, 1,130,833.85 and 533,140.11 is: 735,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,724.59 : 1,130,833.85 = 533,140.11 : x
  2. Step 2: Convert to fraction form
    819,724.59/1,130,833.85 = 533,140.11/x
  3. Step 3: Cross multiply
    819,724.59x = 1,130,833.85 × 533,140.11
  4. Step 4: Simplify right side
    819,724.59x = 602,892,880,515.02
  5. Step 5: Solve for x
    x = 602,892,880,515.02/819,724.59
  6. Step 6: Final answer
    x = 735,482.24

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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.