Home / 943,003.16-1,301,373.54-513,312.20

Finding the Fourth Proportional to 943,003.16, 1,301,373.54 and 513,312.20

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Solution

The fourth proportional to 943,003.16, 1,301,373.54 and 513,312.20 is: 708,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,003.16 : 1,301,373.54 = 513,312.20 : x
  2. Step 2: Convert to fraction form
    943,003.16/1,301,373.54 = 513,312.20/x
  3. Step 3: Cross multiply
    943,003.16x = 1,301,373.54 × 513,312.20
  4. Step 4: Simplify right side
    943,003.16x = 668,010,914,839.19
  5. Step 5: Solve for x
    x = 668,010,914,839.19/943,003.16
  6. Step 6: Final answer
    x = 708,386.72

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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.