Home / 830,480.10-1,242,767.70-576,569.40

Finding the Fourth Proportional to 830,480.10, 1,242,767.70 and 576,569.40

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Solution

The fourth proportional to 830,480.10, 1,242,767.70 and 576,569.40 is: 862,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,480.10 : 1,242,767.70 = 576,569.40 : x
  2. Step 2: Convert to fraction form
    830,480.10/1,242,767.70 = 576,569.40/x
  3. Step 3: Cross multiply
    830,480.10x = 1,242,767.70 × 576,569.40
  4. Step 4: Simplify right side
    830,480.10x = 716,541,827,128.38
  5. Step 5: Solve for x
    x = 716,541,827,128.38/830,480.10
  6. Step 6: Final answer
    x = 862,804.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.