Home / 1,285,430.04-1,927,700.64-527,056.20

Finding the Fourth Proportional to 1,285,430.04, 1,927,700.64 and 527,056.20

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Solution

The fourth proportional to 1,285,430.04, 1,927,700.64 and 527,056.20 is: 790,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,430.04 : 1,927,700.64 = 527,056.20 : x
  2. Step 2: Convert to fraction form
    1,285,430.04/1,927,700.64 = 527,056.20/x
  3. Step 3: Cross multiply
    1,285,430.04x = 1,927,700.64 × 527,056.20
  4. Step 4: Simplify right side
    1,285,430.04x = 1,016,006,574,055.97
  5. Step 5: Solve for x
    x = 1,016,006,574,055.97/1,285,430.04
  6. Step 6: Final answer
    x = 790,402.08

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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.