Home / 943,102.85-1,301,482.10-513,386.21

Finding the Fourth Proportional to 943,102.85, 1,301,482.10 and 513,386.21

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Solution

The fourth proportional to 943,102.85, 1,301,482.10 and 513,386.21 is: 708,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,102.85 : 1,301,482.10 = 513,386.21 : x
  2. Step 2: Convert to fraction form
    943,102.85/1,301,482.10 = 513,386.21/x
  3. Step 3: Cross multiply
    943,102.85x = 1,301,482.10 × 513,386.21
  4. Step 4: Simplify right side
    943,102.85x = 668,162,953,627.50
  5. Step 5: Solve for x
    x = 668,162,953,627.50/943,102.85
  6. Step 6: Final answer
    x = 708,473.05

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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.