Home / 839,505.13-1,158,461.64-472,038.91

Finding the Fourth Proportional to 839,505.13, 1,158,461.64 and 472,038.91

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Solution

The fourth proportional to 839,505.13, 1,158,461.64 and 472,038.91 is: 651,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,505.13 : 1,158,461.64 = 472,038.91 : x
  2. Step 2: Convert to fraction form
    839,505.13/1,158,461.64 = 472,038.91/x
  3. Step 3: Cross multiply
    839,505.13x = 1,158,461.64 × 472,038.91
  4. Step 4: Simplify right side
    839,505.13x = 546,838,966,926.26
  5. Step 5: Solve for x
    x = 546,838,966,926.26/839,505.13
  6. Step 6: Final answer
    x = 651,382.52

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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.