Home / 1,557,030.08-2,148,700.56-841,638.08

Finding the Fourth Proportional to 1,557,030.08, 2,148,700.56 and 841,638.08

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Solution

The fourth proportional to 1,557,030.08, 2,148,700.56 and 841,638.08 is: 1,161,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,030.08 : 2,148,700.56 = 841,638.08 : x
  2. Step 2: Convert to fraction form
    1,557,030.08/2,148,700.56 = 841,638.08/x
  3. Step 3: Cross multiply
    1,557,030.08x = 2,148,700.56 × 841,638.08
  4. Step 4: Simplify right side
    1,557,030.08x = 1,808,428,213,813.32
  5. Step 5: Solve for x
    x = 1,808,428,213,813.32/1,557,030.08
  6. Step 6: Final answer
    x = 1,161,460.04

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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.